1n4r1/rb1k1pbp/p1p1pn2/qp4P1/4P3/1PBPP1P1/P1P5/RN2KBNR b KQ - 0 18
FEN state: 1n4r1/rb1k1pbp/p1p1pn2/qp4P1/4P3/1PBPP1P1/P1P5/RN2KBNR b KQ - 0 18 ; Best move: b5b4
The current state of the chess board is: Black knight at b8 and black rook at g8. Black rook at a7, black bishop at b7, black king at d7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at e6 and black knight at f6. Black queen at a5, black pawn at b5 and white pawn at g5. White pawn at e4. White pawn at b3, white bishop at c3, white pawn at d3, white pawn at e3 and white pawn at g3. White pawn at a2 and white pawn at c2. White rook at a1, white knight at b1, white king at e1, white bishop at f1, white knight at g1 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.