r1bq3r/1pp1N1bp/2Ppkp2/6p1/2PP1P2/P3P1n1/Q5PP/RNBK1B1R w - - 1 21
FEN state: r1bq3r/1pp1N1bp/2Ppkp2/6p1/2PP1P2/P3P1n1/Q5PP/RNBK1B1R w - - 1 21 ; Best move: e7c8
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at b7, black pawn at c7, white knight at e7, black bishop at g7 and black pawn at h7. White pawn at c6, black pawn at d6, black king at e6 and black pawn at f6. Black pawn at g5. White pawn at c4, white pawn at d4 and white pawn at f4. White pawn at a3, white pawn at e3 and black knight at g3. White queen at a2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.