1rb2b1r/2p3p1/1p2k2n/p2p1p1p/1Q2Pp1P/P1P5/3P2P1/RNB1KB1R w KQ - 0 18
FEN state: 1rb2b1r/2p3p1/1p2k2n/p2p1p1p/1Q2Pp1P/P1P5/3P2P1/RNB1KB1R w KQ - 0 18 ; Best move: e4d5
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at c7 and black pawn at g7. Black pawn at b6, black king at e6 and black knight at h6. Black pawn at a5, black pawn at d5, black pawn at f5 and black pawn at h5. White queen at b4, white pawn at e4, black pawn at f4 and white pawn at h4. White pawn at a3 and white pawn at c3. White pawn at d2 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 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 18. White to move.