r1k4r/p4ppp/2n2n2/1p1P1b2/1Q1b1pPP/N2P3B/P1P1K3/2BR4 b - - 2 21
FEN state: r1k4r/p4ppp/2n2n2/1p1P1b2/1Q1b1pPP/N2P3B/P1P1K3/2BR4 b - - 2 21 ; Best move: c6b4
The current state of the chess board is: Black rook at a8, black king at c8 and black rook at h8. Black pawn at a7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6 and black knight at f6. Black pawn at b5, white pawn at d5 and black bishop at f5. White queen at b4, black bishop at d4, black pawn at f4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at d3 and white bishop at h3. White pawn at a2, white pawn at c2 and white king at e2. White bishop at c1 and white rook at d1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.