[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 223"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2k3rr/ppp1npb1/2Pp4/P7/1PBP4/2P2QBq/7P/R4RK1 b - - 0 1"] [PlyCount "3"] [GameId "2304942637179907"] {Wilhelm Steinitz ??StartBlockQuote??Only the player with the initiative has the right to attack.??EndBlockQuote??223. Carl Hamppe - Wilhelm Steinitz, Vienna 1859} 1... Bxd4+ 2. Kh1 {2.cxd4 Qxh2# ? Or 2.Rf2 Qxh2+ -+ when the crucial h2-pawn can be taken as both white pieces are pinned.} Rxg3 {? Black won a piece and soon the game.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 224"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r5r1/pp2kpBQ/3pn3/6q1/8/8/P4PPP/3RR1K1 w - - 0 1"] [PlyCount "13"] [GameId "2304942637179909"] {[%evp 0,13,799,812,861,955,32767,1185,888,1269,29999,32767,29995,29998,29999,29999]} {224. Wilhelm Steinitz - Strauss, Vienna 1860} 1. Rxe6+ Kxe6 {1...fxe6 2.Bh6+ +- ? wins the queen.} (1... fxe6 2. Bh6+) 2. Qe4+ {?} Kd7 {Steinitz played:} 3. Qxb7+ Ke6 4. Re1+ Kf5 5. Qxf7+ {5.Qe4#!} (5. Qe4#) 5... Kg4 6. Qf3+ Kh4 7. Qh3# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 225"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "8/2R3pk/2N2r1p/1p3p2/1Pb1p2P/8/1r3PP1/R5K1 b - - 0 1"] [PlyCount "25"] [GameId "2304942637179911"] {[%evp 0,9,-561,-543,-683,32767,-521,-639,-701,32767,-639,-437]} {225. Wilhelm Steinitz - Adolf Anderssen, London 1862} 1... e3 {Black had a dominant position and an extra pawn, so he could win slowly in many ways, but this is the quickest winner.} 2. f3 {Or 2.fxe3 Rg6 quickly forces mate.} (2. fxe3 Rg6 {[%csl Rg2]}) 2... Rg6 {? It's still a forced mate.} 3. g4 fxg4 4. f4 Bd5 5. Nd4 Ra6 {Pretty, but an even faster mate was possible with the prosaic 5...Rg2+.} (5... Rg2+) 6. Rxa6 Rb1+ {White resigned, rather than allow a mate such as: 7.Kh2 Rh1+ 8.Kg3 Rg1+ 9.Kh2 Rg2+ 10.Kh1 Rg3+ 11.Kh2 Rh3+ 12.Kg1 Rh1#.} 7. Kh2 Rh1+ 8. Kg3 Rg1+ 9. Kh2 Rg2+ 10. Kh1 Rg3+ 11. Nf3 Bxf3+ 12. Kh2 Rh3+ 13. Kg1 Rh1# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 226"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2kr3r/ppp2p1p/2Bb1p2/3P4/6b1/5N2/PPP3PP/RNqQK2R b KQ - 0 1"] [PlyCount "13"] [GameId "2304942637179913"] {[%evp 0,7,-173,-396,-29987,32767,32767,-29990,-29991,-29992]} {226. Henry Bird - Wilhelm Steinitz, London (6) 1866} 1... Rde8+ {1...Rhe8+ ! comes to the same thing.} 2. Bxe8 Rxe8+ 3. Kf2 Qe3+ {Or 3...Bc5+ 4.Kg3 Qh6 ! with a winning attack against the stranded king on g3.} (3... Bc5+ 4. Kg3 Bd6+ 5. Kf2 (5. Kxg4 Re4+ 6. Kh5 Qf4 7. g3 (7. h3 Re5+ 8. Nxe5 Qg5#) 7... Qg4+ 8. Kh6 Qg6#)) 4. Kf1 Bxf3 (4... Bc5 5. Qd2) 5. gxf3 Bc5 {? The only move, with forced mate in two moves.} 6. Kg2 Rg8+ 7. Kh3 (7. Kf1 Qf2#) 7... Qh6# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 227"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b1kb1r/ppp2ppp/2n1p3/6B1/3P2q1/3B1N2/PPP2PPP/R2QK2R w KQkq - 0 1"] [PlyCount "7"] [GameId "2304942637184011"] {[%evp 0,6,412,411,432,32767,406,419,697]} {227. Wilhelm Steinitz - Henry Bird, London (9) 1866} 1. h3 Qxg2 {1...Qh5 2.g4 +- ? also traps the queen.} (1... Qh5 2. g4) 2. Rh2 {Bird resigned after:} Qxh2 3. Nxh2 Nxd4 4. Bb5+ * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 228"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3r2r1/pbq1kp2/1n2pn1p/2b3p1/B1PN4/4B2P/P2QNPP1/R2R2K1 w - - 0 1"] [PlyCount "9"] [GameId "2304942637184013"] {[%evp 0,5,566,526,680,719,29995,29996]} {228. Wilhelm Steinitz - Hieronim Czarnowski, Paris 1867} 1. Nc6+ Qxc6 {1...Bxc6 2.Bxc5+ ? Ke8 3.Bxc6+ Qxc6 4.Qxd8 mate.} (1... Bxc6 2. Bxc5+ Ke8 3. Bxc6+ Nbd7) 2. Bxc6 Bxe3 {2...Rxd2 3.Bxc5+ +- ? comes with check and wins a rook.} 3. Qb4+ {Other moves were also winning.} Bc5 4. Qxc5+ Rd6 5. Qxd6# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 229"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1q1k2r/ppp2p2/1n3Ppp/3pN3/3Pn1Q1/B1P5/P1P3PP/R4RK1 w kq - 0 1"] [PlyCount "7"] [GameId "2304942637184015"] {229. Wilhelm Steinitz - Szymon Winawer, Paris 1867 White has a winning position, but can push his advantage with} 1. Qxg6 {+- since Black cannot take back due to:} fxg6 2. f7+ Kd8 3. f8=Q+ (3. f8=R+) 3... Rxf8 4. Rxf8# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 230"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3k4/1b1nb2R/2p5/1p1Ppr2/p7/P1NP1N2/BPP3K1/8 w - - 0 1"] [PlyCount "3"] [GameId "2304942637184017"] {230. Wilhelm Steinitz - Emile D'Andre, Paris 1867} 1. d6 {White wins a piece after:} Bxd6 2. Be6 {+- ?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 231"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "1rbk1bnr/ppNpppp1/7p/1N6/4P3/3q4/P2B1PPP/1R1QK2R w K - 0 1"] [PlyCount "3"] [GameId "2304942637184019"] {231. Wilhelm Steinitz - Walsh, London (simul) 1870} 1. Ne6+ {The knight cannot be taken due to the discovered attack.} Ke8 {1...fxe6 2.Ba5+ +- ? and 1...dxe6 2.Ba5+ ? wins the queen and the game.} (1... dxe6 2. Ba5+ b6 3. Qxd3+) 2. Nbc7# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 232"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "5rnr/pp2kpp1/1b1p3p/nBpP2N1/4PN2/8/P4PPP/4RRK1 w - - 0 1"] [PlyCount "11"] [GameId "2304942637184021"] {[%evp 0,10,149,133,243,32767,201,221,198,210,237,620,614]} {232. Wilhelm Steinitz - Henry Bird, London 1870 White is a pawn down, so has to create something.} 1. Nge6 (1. e5 hxg5) (1. Nxf7 Kxf7) 1... fxe6 {It would have been better for Black to give up the exchange on f8 with 1...g6 +=. With a pawn and opposite-coloured bishops for the exchange , Black has some compensation. Note that the bishop on b5 is essential after 1...g5 2.Nxf8 gxf4 3.Nd7 ! ?. Now , 3...Bd8 4.e5 ! is the only winning move , but that's not necessary to see before sacrificing the knight. The point is 4...a6 5.exd6+ Kxd6 6.Ne5 ! +- threatening a fork on f7.} 2. Ng6+ Kf7 {The knight would not escape from h8 after 2...Kf6 , but White has 3.Nxf8 +- ?.} 3. Nxh8+ Kf6 {The knight looks trapped, but it has two ways to escape.} 4. f4 {4.Re3 is also good: 4...g5 5.Rf3+ Kg7 6.Rxf8 Kxf8 7.dxe6 ± with a safe square on f7.} (4. Re3 g5 5. Rf3+ Kg7 6. Rxf8 Kxf8 7. dxe6) 4... Ne7 5. e5+ {?} Kf5 6. Bd3+ {Not only can the white knight escape, the black king is mated.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 233"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b1k1nr/pp3ppp/2n5/1N6/8/8/qPPQ1PPP/2KR1B1R w kq - 0 1"] [PlyCount "7"] [GameId "2304942637184023"] {233. Walter Grimshaw - Wilhelm Steinitz, Vienna 1872} 1. Nc7+ Kf8 {1...Ke7 2.Qd6#. ?} 2. Qd6+ {Forcing Black to set up a back-rank mate.} Nge7 (2... Nce7 3. Qd8#) 3. Qd8+ {Not 3.Nxa8 ? Qa1+ with some compensation for the exchange.} Nxd8 4. Rxd8# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 234"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3r2k1/1p4pp/1qp2p2/p7/3nN3/P3Q3/1P3PPP/3R2K1 w - - 0 1"] [PlyCount "13"] [GameId "2304942637184025"] {[%evp 0,3,32,50,414,415]} {234. C.E.A. Dupre - Wilhelm Steinitz, The Hague 1873} 1. Nd6 c5 {1...Rxd6 2.Qe8# ? is easy , but 1...Qxb2 ? is tricky. White's best plan is to defend against the back-rank mate and take on d4 with the rook on the next move. Instead , 2.Qxd4 ?! Qxd4 3.Rxd4 is probably winning , but not easily.} (1... Qxb2 2. Qxd4 Qxd4 3. Rxd4) 2. Rxd4 {? The check on e6 is decisive.} (2. Qe7 Qxd6) 2... cxd4 3. Qe6+ Kh8 (3... Kf8 4. Qf7#) 4. Nf7+ Kg8 5. Nh6+ Kh8 6. Qg8+ Rxg8 7. Nf7# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 235"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b3n1/ppp2qb1/2kp4/5PB1/3P2PQ/2PB4/PP3K2/4R3 w - - 0 1"] [PlyCount "7"] [GameId "2304942637184027"] {[%evp 0,5,37,205,32767,32767,406,387]} {235. Wilhelm Steinitz - Jean Dufresne, Liverpool 1874 If only Black had time for ...b6 and ...Kb7 - it's not going to happen.} 1. d5+ (1. Bb5+ Kxb5) (1. Qh1+ Kb6) 1... Kb6 {1...Qxd5 2.Be4 ? wins the queen and 1...Kxd5 is not a nice move to play. There are many ways to stop the king from returning to 'safety' , and the fastest is 2.Qh1+ Kc5 3.Be3+ Bd4 4.Bxd4 mate. 1...Kd7 is not the direction the king wants to go. However , Black threatens to shut out White's rook with 2...Be5. Best is 2.Re6 ! +- when White continues with 3.f6 or 3.Bb5+.} (1... Qxd5 2. Be4) (1... Kxd5 2. Qh1+ Kc5 3. Be3+ Bd4 4. Bxd4#) 2. Be3+ {2.Re4 also wins.Black's king cant go to c7 after 2...c5 3.Bd8+ +-.} c5 3. Qd8+ {The only winning move.} Qc7 4. Qxg8 {? And White won. 4.Bg5 or 4.Qe8 should also win.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 236"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r3kbnr/p1pp1p1p/1pn5/1P4pq/3PPp2/5N2/1PP2KPP/R1BQ1B1R b kq - 0 1"] [PlyCount "7"] [GameId "2304942637184029"] {236. Wilhelm Steinitz - Dion Martinez, Philadelphia (1) 1882} 1... Nxd4 {± White loses the queen no matter which way he recaptures.} 2. Bxf4 {Steinitz played the unchallenging 2.c3. Also no help is 2.Qxd4 Bc5-+ ? Or 2.Nxd4 Qxd1-+ ?} gxf4 {2...Nxf3?! 3. Qd5!=+ creates a pin along the fifth rank and wins back the piece.} 3. Nxd4 {Black did not win any material (he was a pawn up in the diagram) , but destroying White's centre is an achievement.} Qh4+ {3...Qxd1 4. Rxd1=+ is also good. However , due to White's exposed king and undeveloped rook onh1 , it's more logical to keep on the queens.} 4. Kg1 Bc5 {Black continues with ...Ne7 or ...Nf6 and ...O-O.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 223"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2k3rr/ppp1npb1/2Pp4/P7/1PBP4/2P2QBq/7P/R4RK1 b - - 0 1"] [PlyCount "3"] [GameId "2304942637179907"] {Wilhelm Steinitz ??StartBlockQuote??Only the player with the initiative has the right to attack.??EndBlockQuote??223. Carl Hamppe - Wilhelm Steinitz, Vienna 1859} 1... Bxd4+ 2. Kh1 {2.cxd4 Qxh2# ? Or 2.Rf2 Qxh2+ -+ when the crucial h2-pawn can be taken as both white pieces are pinned.} Rxg3 {? Black won a piece and soon the game.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 224"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r5r1/pp2kpBQ/3pn3/6q1/8/8/P4PPP/3RR1K1 w - - 0 1"] [PlyCount "13"] [GameId "2304942637179909"] {[%evp 0,13,799,812,861,955,32767,1185,888,1269,29999,32767,29995,29998,29999,29999]} {224. Wilhelm Steinitz - Strauss, Vienna 1860} 1. Rxe6+ Kxe6 {1...fxe6 2.Bh6+ +- ? wins the queen.} (1... fxe6 2. Bh6+) 2. Qe4+ {?} Kd7 {Steinitz played:} 3. Qxb7+ Ke6 4. Re1+ Kf5 5. Qxf7+ {5.Qe4#!} (5. Qe4#) 5... Kg4 6. Qf3+ Kh4 7. Qh3# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 225"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "8/2R3pk/2N2r1p/1p3p2/1Pb1p2P/8/1r3PP1/R5K1 b - - 0 1"] [PlyCount "25"] [GameId "2304942637179911"] {[%evp 0,9,-561,-543,-683,32767,-521,-639,-701,32767,-639,-437]} {225. Wilhelm Steinitz - Adolf Anderssen, London 1862} 1... e3 {Black had a dominant position and an extra pawn, so he could win slowly in many ways, but this is the quickest winner.} 2. f3 {Or 2.fxe3 Rg6 quickly forces mate.} (2. fxe3 Rg6 {[%csl Rg2]}) 2... Rg6 {? It's still a forced mate.} 3. g4 fxg4 4. f4 Bd5 5. Nd4 Ra6 {Pretty, but an even faster mate was possible with the prosaic 5...Rg2+.} (5... Rg2+) 6. Rxa6 Rb1+ {White resigned, rather than allow a mate such as: 7.Kh2 Rh1+ 8.Kg3 Rg1+ 9.Kh2 Rg2+ 10.Kh1 Rg3+ 11.Kh2 Rh3+ 12.Kg1 Rh1#.} 7. Kh2 Rh1+ 8. Kg3 Rg1+ 9. Kh2 Rg2+ 10. Kh1 Rg3+ 11. Nf3 Bxf3+ 12. Kh2 Rh3+ 13. Kg1 Rh1# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 226"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2kr3r/ppp2p1p/2Bb1p2/3P4/6b1/5N2/PPP3PP/RNqQK2R b KQ - 0 1"] [PlyCount "13"] [GameId "2304942637179913"] {[%evp 0,7,-173,-396,-29987,32767,32767,-29990,-29991,-29992]} {226. Henry Bird - Wilhelm Steinitz, London (6) 1866} 1... Rde8+ {1...Rhe8+ ! comes to the same thing.} 2. Bxe8 Rxe8+ 3. Kf2 Qe3+ {Or 3...Bc5+ 4.Kg3 Qh6 ! with a winning attack against the stranded king on g3.} (3... Bc5+ 4. Kg3 Bd6+ 5. Kf2 (5. Kxg4 Re4+ 6. Kh5 Qf4 7. g3 (7. h3 Re5+ 8. Nxe5 Qg5#) 7... Qg4+ 8. Kh6 Qg6#)) 4. Kf1 Bxf3 (4... Bc5 5. Qd2) 5. gxf3 Bc5 {? The only move, with forced mate in two moves.} 6. Kg2 Rg8+ 7. Kh3 (7. Kf1 Qf2#) 7... Qh6# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 227"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b1kb1r/ppp2ppp/2n1p3/6B1/3P2q1/3B1N2/PPP2PPP/R2QK2R w KQkq - 0 1"] [PlyCount "7"] [GameId "2304942637184011"] {[%evp 0,6,412,411,432,32767,406,419,697]} {227. Wilhelm Steinitz - Henry Bird, London (9) 1866} 1. h3 Qxg2 {1...Qh5 2.g4 +- ? also traps the queen.} (1... Qh5 2. g4) 2. Rh2 {Bird resigned after:} Qxh2 3. Nxh2 Nxd4 4. Bb5+ * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 228"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3r2r1/pbq1kp2/1n2pn1p/2b3p1/B1PN4/4B2P/P2QNPP1/R2R2K1 w - - 0 1"] [PlyCount "9"] [GameId "2304942637184013"] {[%evp 0,5,566,526,680,719,29995,29996]} {228. Wilhelm Steinitz - Hieronim Czarnowski, Paris 1867} 1. Nc6+ Qxc6 {1...Bxc6 2.Bxc5+ ? Ke8 3.Bxc6+ Qxc6 4.Qxd8 mate.} (1... Bxc6 2. Bxc5+ Ke8 3. Bxc6+ Nbd7) 2. Bxc6 Bxe3 {2...Rxd2 3.Bxc5+ +- ? comes with check and wins a rook.} 3. Qb4+ {Other moves were also winning.} Bc5 4. Qxc5+ Rd6 5. Qxd6# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 229"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1q1k2r/ppp2p2/1n3Ppp/3pN3/3Pn1Q1/B1P5/P1P3PP/R4RK1 w kq - 0 1"] [PlyCount "7"] [GameId "2304942637184015"] {229. Wilhelm Steinitz - Szymon Winawer, Paris 1867 White has a winning position, but can push his advantage with} 1. Qxg6 {+- since Black cannot take back due to:} fxg6 2. f7+ Kd8 3. f8=Q+ (3. f8=R+) 3... Rxf8 4. Rxf8# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 230"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3k4/1b1nb2R/2p5/1p1Ppr2/p7/P1NP1N2/BPP3K1/8 w - - 0 1"] [PlyCount "3"] [GameId "2304942637184017"] {230. Wilhelm Steinitz - Emile D'Andre, Paris 1867} 1. d6 {White wins a piece after:} Bxd6 2. Be6 {+- ?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 231"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "1rbk1bnr/ppNpppp1/7p/1N6/4P3/3q4/P2B1PPP/1R1QK2R w K - 0 1"] [PlyCount "3"] [GameId "2304942637184019"] {231. Wilhelm Steinitz - Walsh, London (simul) 1870} 1. Ne6+ {The knight cannot be taken due to the discovered attack.} Ke8 {1...fxe6 2.Ba5+ +- ? and 1...dxe6 2.Ba5+ ? wins the queen and the game.} (1... dxe6 2. Ba5+ b6 3. Qxd3+) 2. Nbc7# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 232"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "5rnr/pp2kpp1/1b1p3p/nBpP2N1/4PN2/8/P4PPP/4RRK1 w - - 0 1"] [PlyCount "11"] [GameId "2304942637184021"] {[%evp 0,10,149,133,243,32767,201,221,198,210,237,620,614]} {232. Wilhelm Steinitz - Henry Bird, London 1870 White is a pawn down, so has to create something.} 1. Nge6 (1. e5 hxg5) (1. Nxf7 Kxf7) 1... fxe6 {It would have been better for Black to give up the exchange on f8 with 1...g6 +=. With a pawn and opposite-coloured bishops for the exchange , Black has some compensation. Note that the bishop on b5 is essential after 1...g5 2.Nxf8 gxf4 3.Nd7 ! ?. Now , 3...Bd8 4.e5 ! is the only winning move , but that's not necessary to see before sacrificing the knight. The point is 4...a6 5.exd6+ Kxd6 6.Ne5 ! +- threatening a fork on f7.} 2. Ng6+ Kf7 {The knight would not escape from h8 after 2...Kf6 , but White has 3.Nxf8 +- ?.} 3. Nxh8+ Kf6 {The knight looks trapped, but it has two ways to escape.} 4. f4 {4.Re3 is also good: 4...g5 5.Rf3+ Kg7 6.Rxf8 Kxf8 7.dxe6 ± with a safe square on f7.} (4. Re3 g5 5. Rf3+ Kg7 6. Rxf8 Kxf8 7. dxe6) 4... Ne7 5. e5+ {?} Kf5 6. Bd3+ {Not only can the white knight escape, the black king is mated.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 233"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b1k1nr/pp3ppp/2n5/1N6/8/8/qPPQ1PPP/2KR1B1R w kq - 0 1"] [PlyCount "7"] [GameId "2304942637184023"] {233. Walter Grimshaw - Wilhelm Steinitz, Vienna 1872} 1. Nc7+ Kf8 {1...Ke7 2.Qd6#. ?} 2. Qd6+ {Forcing Black to set up a back-rank mate.} Nge7 (2... Nce7 3. Qd8#) 3. Qd8+ {Not 3.Nxa8 ? Qa1+ with some compensation for the exchange.} Nxd8 4. Rxd8# {?} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 234"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "3r2k1/1p4pp/1qp2p2/p7/3nN3/P3Q3/1P3PPP/3R2K1 w - - 0 1"] [PlyCount "13"] [GameId "2304942637184025"] {[%evp 0,3,32,50,414,415]} {234. C.E.A. Dupre - Wilhelm Steinitz, The Hague 1873} 1. Nd6 c5 {1...Rxd6 2.Qe8# ? is easy , but 1...Qxb2 ? is tricky. White's best plan is to defend against the back-rank mate and take on d4 with the rook on the next move. Instead , 2.Qxd4 ?! Qxd4 3.Rxd4 is probably winning , but not easily.} (1... Qxb2 2. Qxd4 Qxd4 3. Rxd4) 2. Rxd4 {? The check on e6 is decisive.} (2. Qe7 Qxd6) 2... cxd4 3. Qe6+ Kh8 (3... Kf8 4. Qf7#) 4. Nf7+ Kg8 5. Nh6+ Kh8 6. Qg8+ Rxg8 7. Nf7# * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 235"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r1b3n1/ppp2qb1/2kp4/5PB1/3P2PQ/2PB4/PP3K2/4R3 w - - 0 1"] [PlyCount "7"] [GameId "2304942637184027"] {[%evp 0,5,37,205,32767,32767,406,387]} {235. Wilhelm Steinitz - Jean Dufresne, Liverpool 1874 If only Black had time for ...b6 and ...Kb7 - it's not going to happen.} 1. d5+ (1. Bb5+ Kxb5) (1. Qh1+ Kb6) 1... Kb6 {1...Qxd5 2.Be4 ? wins the queen and 1...Kxd5 is not a nice move to play. There are many ways to stop the king from returning to 'safety' , and the fastest is 2.Qh1+ Kc5 3.Be3+ Bd4 4.Bxd4 mate. 1...Kd7 is not the direction the king wants to go. However , Black threatens to shut out White's rook with 2...Be5. Best is 2.Re6 ! +- when White continues with 3.f6 or 3.Bb5+.} (1... Qxd5 2. Be4) (1... Kxd5 2. Qh1+ Kc5 3. Be3+ Bd4 4. Bxd4#) 2. Be3+ {2.Re4 also wins.Black's king cant go to c7 after 2...c5 3.Bd8+ +-.} c5 3. Qd8+ {The only winning move.} Qc7 4. Qxg8 {? And White won. 4.Bg5 or 4.Qe8 should also win.} * [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Intermediate Exercises"] [Black "Exercise 236"] [Result "*"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "r3kbnr/p1pp1p1p/1pn5/1P4pq/3PPp2/5N2/1PP2KPP/R1BQ1B1R b kq - 0 1"] [PlyCount "7"] [GameId "2304942637184029"] {236. Wilhelm Steinitz - Dion Martinez, Philadelphia (1) 1882} 1... Nxd4 {± White loses the queen no matter which way he recaptures.} 2. Bxf4 {Steinitz played the unchallenging 2.c3. Also no help is 2.Qxd4 Bc5-+ ? Or 2.Nxd4 Qxd1-+ ?} gxf4 {2...Nxf3?! 3. Qd5!=+ creates a pin along the fifth rank and wins back the piece.} 3. Nxd4 {Black did not win any material (he was a pawn up in the diagram) , but destroying White's centre is an achievement.} Qh4+ {3...Qxd1 4. Rxd1=+ is also good. However , due to White's exposed king and undeveloped rook onh1 , it's more logical to keep on the queens.} 4. Kg1 Bc5 {Black continues with ...Ne7 or ...Nf6 and ...O-O.} *