[Event "Szachy"]
[Site "?"]
[Date "1963.??.??"]
[Round "?"]
[White "Grzeban, Grzegorz"]
[Black "(+0005.11a8c5) U1"]
[Result "1-0"]
[SetUp "1"]
[FEN "K7/8/1P3N2/2kN4/1n6/6p1/8/8 w - - 0 1"]
[PlyCount "15"]
[EventDate "1963.??.??"]
{[%evp 0,15,688,695,695,695,695,695,735,735,1002,1289,1289,1289,29997,29998,
29999,-30000]} {U1: Problemas (SEPA)=262-264 1-3/1964.} 1. Ne4+ (1. b7 $1 {
} Na6 (1... g2 2. b8=Q) (1... Nxd5 2. Nxd5 g2 3. b8=Q) (1... Nc6 2. Ne3
$1) 2. Ne4+ Kxd5 3. Nxg3) 1... Kxd5 2. Nxg3 Kc5 3. b7 Na6 (3... Nc6 4. Nf5 Kb6
5. Nd4) 4. Ka7 Kb5 5. Ne2 (5. Ne4 {}) 5... Ka5 6. Nc3 Nb4 $1 7. b8=N $1 Nd5
8. Nc6# 1-0