1nr2br1/2pk4/p1bp2p1/4p2p/PP2nP1P/B5P1/2PP4/RNQ1K2R w KQ - 0 23
FEN state: 1nr2br1/2pk4/p1bp2p1/4p2p/PP2nP1P/B5P1/2PP4/RNQ1K2R w KQ - 0 23 ; Best move: f4e5
The current state of the chess board is: Black knight at b8, black rook at c8, black bishop at f8 and black rook at g8. Black pawn at c7 and black king at d7. Black pawn at a6, black bishop at c6, black pawn at d6 and black pawn at g6. Black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at b4, black knight at e4, white pawn at f4 and white pawn at h4. White bishop at a3 and white pawn at g3. White pawn at c2 and white pawn at d2. White rook at a1, white knight at b1, white queen at c1, white king at e1 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.