r1b1k1nr/p1p3p1/4P2p/1pP5/1n1p4/P4KPB/P2PP2P/R4QNR b - - 1 21
FEN state: r1b1k1nr/p1p3p1/4P2p/1pP5/1n1p4/P4KPB/P2PP2P/R4QNR b - - 1 21 ; Best move: g8e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at g7. White pawn at e6 and black pawn at h6. Black pawn at b5 and white pawn at c5. Black knight at b4 and black pawn at d4. White pawn at a3, white king at f3, white pawn at g3 and white bishop at h3. White pawn at a2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white queen at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.