1n2bb2/r3knp1/p6r/q1P1pp1p/1p2P2P/N1pP1PR1/P1P1N1P1/R2QKB2 w - - 2 21
FEN state: 1n2bb2/r3knp1/p6r/q1P1pp1p/1p2P2P/N1pP1PR1/P1P1N1P1/R2QKB2 w - - 2 21 ; Best move: a3c4
The current state of the chess board is: Black knight at b8, black bishop at e8 and black bishop at f8. Black rook at a7, black king at e7, black knight at f7 and black pawn at g7. Black pawn at a6 and black rook at h6. Black queen at a5, white pawn at c5, black pawn at e5, black pawn at f5 and black pawn at h5. Black pawn at b4, white pawn at e4 and white pawn at h4. White knight at a3, black pawn at c3, white pawn at d3, white pawn at f3 and white rook at g3. White pawn at a2, white pawn at c2, white knight at e2 and white pawn at g2. White rook at a1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. White to move.