rnbqkb1r/1pp1pp2/p4np1/3p3p/2P5/P1Q3P1/RP1PPPBP/1NB1K1NR w Kkq - 4 10
FEN state: rnbqkb1r/1pp1pp2/p4np1/3p3p/2P5/P1Q3P1/RP1PPPBP/1NB1K1NR w Kkq - 4 10 ; Best move: g2d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black knight at f6 and black pawn at g6. Black pawn at d5 and black pawn at h5. White pawn at c4. White pawn at a3, white queen at c3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 10. White to move.