4k2r/r1p1ppb1/b4q1p/PP1p1P2/7p/NK1P4/RP2P1P1/3n1BNR w k - 0 21
FEN state: 4k2r/r1p1ppb1/b4q1p/PP1p1P2/7p/NK1P4/RP2P1P1/3n1BNR w k - 0 21 ; Best move: g1f3
The current state of the chess board is: Black king at e8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black bishop at a6, black queen at f6 and black pawn at h6. White pawn at a5, white pawn at b5, black pawn at d5 and white pawn at f5. Black pawn at h4. White knight at a3, white king at b3 and white pawn at d3. White rook at a2, white pawn at b2, white pawn at e2 and white pawn at g2. Black knight at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. White to move.