1r2k2r/1bpp2p1/3b3n/p3PpP1/p1Q1N1Bp/P5P1/RPPPK2P/2B4R w k - 3 21
FEN state: 1r2k2r/1bpp2p1/3b3n/p3PpP1/p1Q1N1Bp/P5P1/RPPPK2P/2B4R w k - 3 21 ; Best move: g4h5
The current state of the chess board is: Black rook at b8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black bishop at d6 and black knight at h6. Black pawn at a5, white pawn at e5, black pawn at f5 and white pawn at g5. Black pawn at a4, white queen at c4, white knight at e4, white bishop at g4 and black pawn at h4. White pawn at a3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white king at e2 and white pawn at h2. White bishop at c1 and white rook at h1. Black kingside is the only castle move available. Half move number is 3. Full move number is 21. White to move.