rnbqk3/1p1pppbr/8/p1p3P1/N1nP4/P4NP1/1P2P1B1/R1BK4 w q - 0 23
FEN state: rnbqk3/1p1pppbr/8/p1p3P1/N1nP4/P4NP1/1P2P1B1/R1BK4 w q - 0 23 ; Best move: b2b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7, black bishop at g7 and black rook at h7. Black pawn at a5, black pawn at c5 and white pawn at g5. White knight at a4, black knight at c4 and white pawn at d4. White pawn at a3, white knight at f3 and white pawn at g3. White pawn at b2, white pawn at e2 and white bishop at g2. White rook at a1, white bishop at c1 and white king at d1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. White to move.