rnb3nr/1pp5/p2p1pkp/2P3p1/P2P2P1/RPN2p1B/3BP2P/1K2Q1NR b - - 1 21
FEN state: rnb3nr/1pp5/p2p1pkp/2P3p1/P2P2P1/RPN2p1B/3BP2P/1K2Q1NR b - - 1 21 ; Best move: g8e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7 and black pawn at c7. Black pawn at a6, black pawn at d6, black pawn at f6, black king at g6 and black pawn at h6. White pawn at c5 and black pawn at g5. White pawn at a4, white pawn at d4 and white pawn at g4. White rook at a3, white pawn at b3, white knight at c3, black pawn at f3 and white bishop at h3. White bishop at d2, white pawn at e2 and white pawn at h2. White king at b1, white queen at e1, 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.