5b1r/3kppp1/1rp1bn1p/1p6/1p1pPn2/P2PB3/Q1KNBPPP/R5NR w - - 0 21
FEN state: 5b1r/3kppp1/1rp1bn1p/1p6/1p1pPn2/P2PB3/Q1KNBPPP/R5NR w - - 0 21 ; Best move: e3f4
The current state of the chess board is: Black bishop at f8 and black rook at h8. Black king at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black rook at b6, black pawn at c6, black bishop at e6, black knight at f6 and black pawn at h6. Black pawn at b5. Black pawn at b4, black pawn at d4, white pawn at e4 and black knight at f4. White pawn at a3, white pawn at d3 and white bishop at e3. White queen at a2, white king at c2, white knight at d2, white bishop at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.