1r3br1/qb1pk3/2n2p1p/P1p1P1p1/2PPP3/1p2n2P/1P1Q1N1R/R1B1KB2 w - - 1 21
FEN state: 1r3br1/qb1pk3/2n2p1p/P1p1P1p1/2PPP3/1p2n2P/1P1Q1N1R/R1B1KB2 w - - 1 21 ; Best move: e5f6
The current state of the chess board is: Black rook at b8, black bishop at f8 and black rook at g8. Black queen at a7, black bishop at b7, black pawn at d7 and black king at e7. Black knight at c6, black pawn at f6 and black pawn at h6. White pawn at a5, black pawn at c5, white pawn at e5 and black pawn at g5. White pawn at c4, white pawn at d4 and white pawn at e4. Black pawn at b3, black knight at e3 and white pawn at h3. White pawn at b2, white queen at d2, white knight at f2 and white rook at h2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.