rnb2b1r/pp1pkpp1/3q3n/2p1p2p/2B3P1/P1N1PN2/1PPP1P1P/1RBQK2R w K - 3 10
FEN state: rnb2b1r/pp1pkpp1/3q3n/2p1p2p/2B3P1/P1N1PN2/1PPP1P1P/1RBQK2R w K - 3 10 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black king at e7, black pawn at f7 and black pawn at g7. Black queen at d6 and black knight at h6. Black pawn at c5, black pawn at e5 and black pawn at h5. White bishop at c4 and white pawn at g4. White pawn at a3, white knight at c3, white pawn at e3 and white knight at f3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, 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 10. White to move.