r2k1b2/p2npp1N/1p5n/1Npp3p/2P3P1/QP2Pb1P/P2P1P1q/1RB1K2R w K - 3 18
FEN state: r2k1b2/p2npp1N/1p5n/1Npp3p/2P3P1/QP2Pb1P/P2P1P1q/1RB1K2R w K - 3 18 ; Best move: h1h2
The current state of the chess board is: Black rook at a8, black king at d8 and black bishop at f8. Black pawn at a7, black knight at d7, black pawn at e7, black pawn at f7 and white knight at h7. Black pawn at b6 and black knight at h6. White knight at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at c4 and white pawn at g4. White queen at a3, white pawn at b3, white pawn at e3, black bishop at f3 and white pawn at h3. White pawn at a2, white pawn at d2, white pawn at f2 and black queen at h2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 18. White to move.