rn1qkb1r/p1p3pp/1Q1p1p1n/4p3/P1P2P2/5NP1/1PNPP2P/1RB1Kb1R b Kkq - 0 10
FEN state: rn1qkb1r/p1p3pp/1Q1p1p1n/4p3/P1P2P2/5NP1/1PNPP2P/1RB1Kb1R b Kkq - 0 10 ; Best move: a7b6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at g7 and black pawn at h7. White queen at b6, black pawn at d6, black pawn at f6 and black knight at h6. Black pawn at e5. White pawn at a4, white pawn at c4 and white pawn at f4. White knight at f3 and white pawn at g3. White pawn at b2, white knight at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, black bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.