r5nr/pb2qkb1/2pp3p/5pp1/1p1P2B1/NP4PN/PR1PPK1P/2BR4 w - - 0 20
FEN state: r5nr/pb2qkb1/2pp3p/5pp1/1p1P2B1/NP4PN/PR1PPK1P/2BR4 w - - 0 20 ; Best move: g4h5
The current state of the chess board is: Black rook at a8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black queen at e7, black king at f7 and black bishop at g7. Black pawn at c6, black pawn at d6 and black pawn at h6. Black pawn at f5 and black pawn at g5. Black pawn at b4, white pawn at d4 and white bishop at g4. White knight at a3, white pawn at b3, white pawn at g3 and white knight at h3. White pawn at a2, white rook at b2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at h2. White bishop at c1 and white rook at d1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.