rn5b/1bq1p1kr/p4p1n/2ppB1P1/1pP5/1PNPPNPp/P2R2B1/1K2R3 w - - 0 21
FEN state: rn5b/1bq1p1kr/p4p1n/2ppB1P1/1pP5/1PNPPNPp/P2R2B1/1K2R3 w - - 0 21 ; Best move: g5h6
The current state of the chess board is: Black rook at a8, black knight at b8 and black bishop at h8. Black bishop at b7, black queen at c7, black pawn at e7, black king at g7 and black rook at h7. Black pawn at a6, black pawn at f6 and black knight at h6. Black pawn at c5, black pawn at d5, white bishop at e5 and white pawn at g5. Black pawn at b4 and white pawn at c4. White pawn at b3, white knight at c3, white pawn at d3, white pawn at e3, white knight at f3, white pawn at g3 and black pawn at h3. White pawn at a2, white rook at d2 and white bishop at g2. White king at b1 and white rook at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.