rn2n1r1/p1pkb3/1p1p1p2/6pp/2BPKp2/PPP1P1PP/8/RN1QBbNR w - - 0 21
FEN state: rn2n1r1/p1pkb3/1p1p1p2/6pp/2BPKp2/PPP1P1PP/8/RN1QBbNR w - - 0 21 ; Best move: c4f1
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at e8 and black rook at g8. Black pawn at a7, black pawn at c7, black king at d7 and black bishop at e7. Black pawn at b6, black pawn at d6 and black pawn at f6. Black pawn at g5 and black pawn at h5. White bishop at c4, white pawn at d4, white king at e4 and black pawn at f4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at e3, white pawn at g3 and white pawn at h3. White rook at a1, white knight at b1, white queen at d1, white bishop at e1, black bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.