rnb1k2r/6pp/4p1qn/p1bp1pP1/1p3P2/BP5B/P1PPP2P/RN1Q1KNR b kq - 0 12
FEN state: rnb1k2r/6pp/4p1qn/p1bp1pP1/1p3P2/BP5B/P1PPP2P/RN1Q1KNR b kq - 0 12 ; Best move: b4a3
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 g7 and black pawn at h7. Black pawn at e6, black queen at g6 and black knight at h6. Black pawn at a5, black bishop at c5, black pawn at d5, black pawn at f5 and white pawn at g5. Black pawn at b4 and white pawn at f4. White bishop at a3, white pawn at b3 and white bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.