2b1k1nr/2pn3p/1p1pp3/5pp1/4P2N/2pP1Kb1/r1P3P1/BR2QBR1 b k - 1 18
FEN state: 2b1k1nr/2pn3p/1p1pp3/5pp1/4P2N/2pP1Kb1/r1P3P1/BR2QBR1 b k - 1 18 ; Best move: g3e1
The current state of the chess board is: Black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black knight at d7 and black pawn at h7. Black pawn at b6, black pawn at d6 and black pawn at e6. Black pawn at f5 and black pawn at g5. White pawn at e4 and white knight at h4. Black pawn at c3, white pawn at d3, white king at f3 and black bishop at g3. Black rook at a2, white pawn at c2 and white pawn at g2. White bishop at a1, white rook at b1, white queen at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.