rnb1kb2/p2p1pp1/1qp4r/1p2p3/7p/P1N2PPP/1PPPK2R/R1Bn1BN1 w q - 0 12
FEN state: rnb1kb2/p2p1pp1/1qp4r/1p2p3/7p/P1N2PPP/1PPPK2R/R1Bn1BN1 w q - 0 12 ; Best move: c3d1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at g7. Black queen at b6, black pawn at c6 and black rook at h6. Black pawn at b5 and black pawn at e5. Black pawn at h4. White pawn at a3, white knight at c3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at d2, white king at e2 and white rook at h2. White rook at a1, white bishop at c1, black knight at d1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.