1n2k1n1/1r2pp1p/p1p1bB2/2Pp2p1/1p6/PP3Q1N/2qPP1PP/RN2KB1R b KQ - 0 18
FEN state: 1n2k1n1/1r2pp1p/p1p1bB2/2Pp2p1/1p6/PP3Q1N/2qPP1PP/RN2KB1R b KQ - 0 18 ; Best move: g5g4
The current state of the chess board is: Black knight at b8, black king at e8 and black knight at g8. Black rook at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at c6, black bishop at e6 and white bishop at f6. White pawn at c5, black pawn at d5 and black pawn at g5. Black pawn at b4. White pawn at a3, white pawn at b3, white queen at f3 and white knight at h3. Black queen at c2, white pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 18. Black to move.