2b1qb2/r3k3/2np2pr/pp1P1p1p/1Pp1p3/2PQ1PP1/P3P2P/R3KBNR b KQ - 0 21
FEN state: 2b1qb2/r3k3/2np2pr/pp1P1p1p/1Pp1p3/2PQ1PP1/P3P2P/R3KBNR b KQ - 0 21 ; Best move: e4d3
The current state of the chess board is: Black bishop at c8, black queen at e8 and black bishop at f8. Black rook at a7 and black king at e7. Black knight at c6, black pawn at d6, black pawn at g6 and black rook at h6. Black pawn at a5, black pawn at b5, white pawn at d5, black pawn at f5 and black pawn at h5. White pawn at b4, black pawn at c4 and black pawn at e4. White pawn at c3, white queen at d3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at e2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 21. Black to move.