r1bqkbn1/1p1pp1pr/2p5/p3np1p/P1P3P1/1P1PP3/1Q3P1P/RNB1KBNR w KQq - 0 10
FEN state: r1bqkbn1/1p1pp1pr/2p5/p3np1p/P1P3P1/1P1PP3/1Q3P1P/RNB1KBNR w KQq - 0 10 ; Best move: b2e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at d7, black pawn at e7, black pawn at g7 and black rook at h7. Black pawn at c6. Black pawn at a5, black knight at e5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at c4 and white pawn at g4. White pawn at b3, white pawn at d3 and white pawn at e3. White queen at b2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.