r2qkr2/p1p1p1bp/4bp1n/1p1pP1p1/5PP1/n3N2P/PP1P4/R1B1KBNR w q - 4 14
FEN state: r2qkr2/p1p1p1bp/4bp1n/1p1pP1p1/5PP1/n3N2P/PP1P4/R1B1KBNR w q - 4 14 ; Best move: b2a3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at c7, black pawn at e7, black bishop at g7 and black pawn at h7. Black bishop at e6, black pawn at f6 and black knight at h6. Black pawn at b5, black pawn at d5, white pawn at e5 and black pawn at g5. White pawn at f4 and white pawn at g4. Black knight at a3, white knight at e3 and white pawn at h3. White pawn at a2, white pawn at b2 and white pawn at d2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 4. Full move number is 14. White to move.