2r1kbnr/1p1b3p/pq4p1/P1pppQ2/3P1P1P/4BKPR/1PPN4/R4BN1 w k - 3 21
FEN state: 2r1kbnr/1p1b3p/pq4p1/P1pppQ2/3P1P1P/4BKPR/1PPN4/R4BN1 w k - 3 21 ; Best move: f5e5
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black bishop at d7 and black pawn at h7. Black pawn at a6, black queen at b6 and black pawn at g6. White pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5 and white queen at f5. White pawn at d4, white pawn at f4 and white pawn at h4. White bishop at e3, white king at f3, white pawn at g3 and white rook at h3. White pawn at b2, white pawn at c2 and white knight at d2. White rook at a1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 3. Full move number is 21. White to move.