r1b1k3/ppp3pr/2n1p2n/4bp1p/2BP1P1q/PP2P1PN/4K2P/RNBQ3R w - - 4 18
FEN state: r1b1k3/ppp3pr/2n1p2n/4bp1p/2BP1P1q/PP2P1PN/4K2P/RNBQ3R w - - 4 18 ; Best move: g3h4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at e8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at g7 and black rook at h7. Black knight at c6, black pawn at e6 and black knight at h6. Black bishop at e5, black pawn at f5 and black pawn at h5. White bishop at c4, white pawn at d4, white pawn at f4 and black queen at h4. White pawn at a3, white pawn at b3, white pawn at e3, white pawn at g3 and white knight at h3. White king at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.