rnb1kbn1/1p3p1r/p1qp3p/2P1pPp1/1PP3P1/P6B/3KP2P/RNBQ2NR w q - 2 12
FEN state: rnb1kbn1/1p3p1r/p1qp3p/2P1pPp1/1PP3P1/P6B/3KP2P/RNBQ2NR w q - 2 12 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at f7 and black rook at h7. Black pawn at a6, black queen at c6, black pawn at d6 and black pawn at h6. White pawn at c5, black pawn at e5, white pawn at f5 and black pawn at g5. White pawn at b4, white pawn at c4 and white pawn at g4. White pawn at a3 and white bishop at h3. White king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 12. White to move.