r1b2k1r/1p3p1p/2n1pqp1/p3P1b1/8/P1N3P1/RBPP3n/3K1B1R w - - 3 21
FEN state: r1b2k1r/1p3p1p/2n1pqp1/p3P1b1/8/P1N3P1/RBPP3n/3K1B1R w - - 3 21 ; Best move: e5f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at b7, black pawn at f7 and black pawn at h7. Black knight at c6, black pawn at e6, black queen at f6 and black pawn at g6. Black pawn at a5, white pawn at e5 and black bishop at g5. White pawn at a3, white knight at c3 and white pawn at g3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at d2 and black knight at h2. White king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. White to move.