rnb1kb1r/p5p1/3ppp1n/qp5p/1Qp5/PPP1P2P/3P1PP1/RNB1KBNR w Qkq - 0 12
FEN state: rnb1kb1r/p5p1/3ppp1n/qp5p/1Qp5/PPP1P2P/3P1PP1/RNB1KBNR w Qkq - 0 12 ; Best move: b4a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at g7. Black pawn at d6, black pawn at e6, black pawn at f6 and black knight at h6. Black queen at a5, black pawn at b5 and black pawn at h5. White queen at b4 and black pawn at c4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at e3 and white pawn at h3. White pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. White to move.