1r2kb1r/p1q1p1p1/2b4n/1pBp3P/1np5/P1PPp2N/R4P1P/1Q2KBNR w Kk - 2 18
FEN state: 1r2kb1r/p1q1p1p1/2b4n/1pBp3P/1np5/P1PPp2N/R4P1P/1Q2KBNR w Kk - 2 18 ; Best move: a3b4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at e7 and black pawn at g7. Black bishop at c6 and black knight at h6. Black pawn at b5, white bishop at c5, black pawn at d5 and white pawn at h5. Black knight at b4 and black pawn at c4. White pawn at a3, white pawn at c3, white pawn at d3, black pawn at e3 and white knight at h3. White rook at a2, white pawn at f2 and white pawn at h2. White queen at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black kingside castles are available. Half move number is 2. Full move number is 18. White to move.