4rB2/pk1qpp1p/n4nb1/2p5/2P1PPp1/NP5R/P2P2P1/R3KBN1 w Q - 1 23
FEN state: 4rB2/pk1qpp1p/n4nb1/2p5/2P1PPp1/NP5R/P2P2P1/R3KBN1 w Q - 1 23 ; Best move: h3d3
The current state of the chess board is: Black rook at e8 and white bishop at f8. Black pawn at a7, black king at b7, black queen at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black knight at f6 and black bishop at g6. Black pawn at c5. White pawn at c4, white pawn at e4, white pawn at f4 and black pawn at g4. White knight at a3, white pawn at b3 and white rook at h3. White pawn at a2, white pawn at d2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. White to move.