r1b4r/p1pk1p1p/np2pnp1/6q1/NbPp3P/2Q2N2/PP1PPPP1/1RB1KB1R w K - 4 12
FEN state: r1b4r/p1pk1p1p/np2pnp1/6q1/NbPp3P/2Q2N2/PP1PPPP1/1RB1KB1R w K - 4 12 ; Best move: c3d4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at e6, black knight at f6 and black pawn at g6. Black queen at g5. White knight at a4, black bishop at b4, white pawn at c4, black pawn at d4 and white pawn at h4. White queen at c3 and white knight at f3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 12. White to move.