rnb1k2r/pp4pp/q2b1p2/2pppP1n/P1PN3P/1Q5R/1P1PPKP1/RNB2B2 b kq - 3 12
FEN state: rnb1k2r/pp4pp/q2b1p2/2pppP1n/P1PN3P/1Q5R/1P1PPKP1/RNB2B2 b kq - 3 12 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at g7 and black pawn at h7. Black queen at a6, black bishop at d6 and black pawn at f6. Black pawn at c5, black pawn at d5, black pawn at e5, white pawn at f5 and black knight at h5. White pawn at a4, white pawn at c4, white knight at d4 and white pawn at h4. White queen at b3 and white rook at h3. White pawn at b2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 12. Black to move.