r1b2b1r/pp3k2/n2pp1p1/q1pP1p1n/5P2/PP3NP1/4P1BP/R2QK1NR w KQ - 0 23
FEN state: r1b2b1r/pp3k2/n2pp1p1/q1pP1p1n/5P2/PP3NP1/4P1BP/R2QK1NR w KQ - 0 23 ; Best move: b3b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7 and black king at f7. Black knight at a6, black pawn at d6, black pawn at e6 and black pawn at g6. Black queen at a5, black pawn at c5, white pawn at d5, black pawn at f5 and black knight at h5. White pawn at f4. White pawn at a3, white pawn at b3, white knight at f3 and white pawn at g3. White pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 23. White to move.