r1bBk2r/2pp1p2/pp1P3p/8/PnN1n1p1/1P2P1P1/2P1P2P/RNb1KBR1 b Qkq - 0 21
FEN state: r1bBk2r/2pp1p2/pp1P3p/8/PnN1n1p1/1P2P1P1/2P1P2P/RNb1KBR1 b Qkq - 0 21 ; Best move: b4c2
The current state of the chess board is: Black rook at a8, black bishop at c8, white bishop at d8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at d7 and black pawn at f7. Black pawn at a6, black pawn at b6, white pawn at d6 and black pawn at h6. White pawn at a4, black knight at b4, white knight at c4, black knight at e4 and black pawn at g4. White pawn at b3, white pawn at e3 and white pawn at g3. White pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, black bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 21. Black to move.