r1q1kbr1/1b1ppp1p/P1pB1n2/4P1p1/p1P2P2/4Q1PN/4n2P/RN2KB1R w KQq - 1 18
FEN state: r1q1kbr1/1b1ppp1p/P1pB1n2/4P1p1/p1P2P2/4Q1PN/4n2P/RN2KB1R w KQq - 1 18 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. White pawn at a6, black pawn at c6, white bishop at d6 and black knight at f6. White pawn at e5 and black pawn at g5. Black pawn at a4, white pawn at c4 and white pawn at f4. White queen at e3, white pawn at g3 and white knight at h3. Black knight at e2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 1. Full move number is 18. White to move.