2b1kbn1/4pppr/r1np4/ppp5/P1P3pP/2N1PN1R/1q1PQP2/R1B1KB2 w Q - 0 12
FEN state: 2b1kbn1/4pppr/r1np4/ppp5/P1P3pP/2N1PN1R/1q1PQP2/R1B1KB2 w Q - 0 12 ; Best move: c1b2
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black rook at a6, black knight at c6 and black pawn at d6. Black pawn at a5, black pawn at b5 and black pawn at c5. White pawn at a4, white pawn at c4, black pawn at g4 and white pawn at h4. White knight at c3, white pawn at e3, white knight at f3 and white rook at h3. Black queen at b2, white pawn at d2, white queen at e2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.