1r1qk2r/1nppb2p/5p2/p3n1P1/P2P2QP/p7/1P1P2PR/1NBK1B2 b k - 4 25
FEN state: 1r1qk2r/1nppb2p/5p2/p3n1P1/P2P2QP/p7/1P1P2PR/1NBK1B2 b k - 4 25 ; Best move: e5g4
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black rook at h8. Black knight at b7, black pawn at c7, black pawn at d7, black bishop at e7 and black pawn at h7. Black pawn at f6. Black pawn at a5, black knight at e5 and white pawn at g5. White pawn at a4, white pawn at d4, white queen at g4 and white pawn at h4. Black pawn at a3. White pawn at b2, white pawn at d2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1, white king at d1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 4. Full move number is 25. Black to move.