rnq1k2n/2p1p1r1/p2p3b/P1P2pp1/1p5p/NPRbPP2/3P1KPP/2BQ1B1R w q - 4 25
FEN state: rnq1k2n/2p1p1r1/p2p3b/P1P2pp1/1p5p/NPRbPP2/3P1KPP/2BQ1B1R w q - 4 25 ; Best move: c3d3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8 and black knight at h8. Black pawn at c7, black pawn at e7 and black rook at g7. Black pawn at a6, black pawn at d6 and black bishop at h6. White pawn at a5, white pawn at c5, black pawn at f5 and black pawn at g5. Black pawn at b4 and black pawn at h4. White knight at a3, white pawn at b3, white rook at c3, black bishop at d3, white pawn at e3 and white pawn at f3. White pawn at d2, white king at f2, white pawn at g2 and white pawn at h2. White bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 4. Full move number is 25. White to move.