1Q6/p1pkq1pr/4p3/1pP4p/2PB2n1/2N2bPN/P2P1P1P/R3KB1R b - - 2 20
FEN state: 1Q6/p1pkq1pr/4p3/1pP4p/2PB2n1/2N2bPN/P2P1P1P/R3KB1R b - - 2 20 ; Best move: b5b4
The current state of the chess board is: White queen at b8. Black pawn at a7, black pawn at c7, black king at d7, black queen at e7, black pawn at g7 and black rook at h7. Black pawn at e6. Black pawn at b5, white pawn at c5 and black pawn at h5. White pawn at c4, white bishop at d4 and black knight at g4. White knight at c3, black bishop at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.