r2qkb1r/p1p2ppp/b7/1p2p2n/P1Pp1P2/1n2P1PN/1PQP2KP/RNB2BR1 b kq - 3 12
FEN state: r2qkb1r/p1p2ppp/b7/1p2p2n/P1Pp1P2/1n2P1PN/1PQP2KP/RNB2BR1 b kq - 3 12 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at a6. Black pawn at b5, black pawn at e5 and black knight at h5. White pawn at a4, white pawn at c4, black pawn at d4 and white pawn at f4. Black knight at b3, white pawn at e3, white pawn at g3 and white knight at h3. White pawn at b2, white queen at c2, 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, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 12. Black to move.