r1bq2nr/p1p5/2nk1p2/4pp2/2ppP2p/3P4/P2bBKPP/R5NR b - - 1 21
FEN state: r1bq2nr/p1p5/2nk1p2/4pp2/2ppP2p/3P4/P2bBKPP/R5NR b - - 1 21 ; Best move: d2e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at c7. Black knight at c6, black king at d6 and black pawn at f6. Black pawn at e5 and black pawn at f5. Black pawn at c4, black pawn at d4, white pawn at e4 and black pawn at h4. White pawn at d3. White pawn at a2, black bishop at d2, white bishop at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, 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.