r1b3nr/1p1pk2p/n7/p3pp2/P6R/2pQ1B2/3B2P1/RN1K2N1 w - - 2 21
FEN state: r1b3nr/1p1pk2p/n7/p3pp2/P6R/2pQ1B2/3B2P1/RN1K2N1 w - - 2 21 ; Best move: d2g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black king at e7 and black pawn at h7. Black knight at a6. Black pawn at a5, black pawn at e5 and black pawn at f5. White pawn at a4 and white rook at h4. Black pawn at c3, white queen at d3 and white bishop at f3. White bishop at d2 and white pawn at g2. White rook at a1, white knight at b1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. White to move.