2bqk3/1pnpp1br/r4ppp/p1p3P1/1PPP4/N3PN1P/n2KBP2/1RB3R1 w - - 1 21
FEN state: 2bqk3/1pnpp1br/r4ppp/p1p3P1/1PPP4/N3PN1P/n2KBP2/1RB3R1 w - - 1 21 ; Best move: b4b5
The current state of the chess board is: Black bishop at c8, black queen at d8 and black king at e8. Black pawn at b7, black knight at c7, black pawn at d7, black pawn at e7, black bishop at g7 and black rook at h7. Black rook at a6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at c5 and white pawn at g5. White pawn at b4, white pawn at c4 and white pawn at d4. White knight at a3, white pawn at e3, white knight at f3 and white pawn at h3. Black knight at a2, white king at d2, white bishop at e2 and white pawn at f2. White rook at b1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.