1r1qkbr1/1bppn3/2n3pp/p3PQ2/2B1P3/p1P2Np1/3P2KP/RNB4R b - - 1 18
FEN state: 1r1qkbr1/1bppn3/2n3pp/p3PQ2/2B1P3/p1P2Np1/3P2KP/RNB4R b - - 1 18 ; Best move: g6f5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at b7, black pawn at c7, black pawn at d7 and black knight at e7. Black knight at c6, black pawn at g6 and black pawn at h6. Black pawn at a5, white pawn at e5 and white queen at f5. White bishop at c4 and white pawn at e4. Black pawn at a3, white pawn at c3, white knight at f3 and black pawn at g3. White pawn at d2, white king at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.