rnb4r/p2kn3/8/1ppppppp/1P1P2P1/2N1K3/1BP1PP1P/RQ2NBR1 w - - 6 21
FEN state: rnb4r/p2kn3/8/1ppppppp/1P1P2P1/2N1K3/1BP1PP1P/RQ2NBR1 w - - 6 21 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black king at d7 and black knight at e7. Black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at d4 and white pawn at g4. White knight at c3 and white king at e3. White bishop at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at b1, white knight at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. White to move.