r5qr/p1k2pbp/npp2Bp1/3p1b2/4pP2/1P1P3B/P1P1P2P/RN1QK1NR w - - 6 21
FEN state: r5qr/p1k2pbp/npp2Bp1/3p1b2/4pP2/1P1P3B/P1P1P2P/RN1QK1NR w - - 6 21 ; Best move: f6e5
The current state of the chess board is: Black rook at a8, black queen at g8 and black rook at h8. Black pawn at a7, black king at c7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6, white bishop at f6 and black pawn at g6. Black pawn at d5 and black bishop at f5. Black pawn at e4 and white pawn at f4. White pawn at b3, white pawn at d3 and white bishop at h3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. White to move.