1nb1k1n1/r5br/2p3pp/p3p3/PPp2pq1/2N2P1P/RBQPP1P1/4KBNR w - - 4 21
FEN state: 1nb1k1n1/r5br/2p3pp/p3p3/PPp2pq1/2N2P1P/RBQPP1P1/4KBNR w - - 4 21 ; Best move: h3g4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black rook at a7, black bishop at g7 and black rook at h7. Black pawn at c6, black pawn at g6 and black pawn at h6. Black pawn at a5 and black pawn at e5. White pawn at a4, white pawn at b4, black pawn at c4, black pawn at f4 and black queen at g4. White knight at c3, white pawn at f3 and white pawn at h3. White rook at a2, white bishop at b2, white queen at c2, white pawn at d2, white pawn at e2 and white pawn at g2. White king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. White to move.