r1bnkbnr/pp1p1p1p/4p1p1/RP1q2P1/2pBPP2/5N2/2PP3P/1N1QKB1R b Kkq - 0 12
FEN state: r1bnkbnr/pp1p1p1p/4p1p1/RP1q2P1/2pBPP2/5N2/2PP3P/1N1QKB1R b Kkq - 0 12 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at e6 and black pawn at g6. White rook at a5, white pawn at b5, black queen at d5 and white pawn at g5. Black pawn at c4, white bishop at d4, white pawn at e4 and white pawn at f4. White knight at f3. White pawn at c2, white pawn at d2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.