1rbqk2r/2pppp1p/2n3pn/pp2b3/1PB1PN2/N5P1/PBPPKP1P/R2Q1R2 w k - 4 11
FEN state: 1rbqk2r/2pppp1p/2n3pn/pp2b3/1PB1PN2/N5P1/PBPPKP1P/R2Q1R2 w k - 4 11 ; Best move: b2e5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at c6, black pawn at g6 and black knight at h6. Black pawn at a5, black pawn at b5 and black bishop at e5. White pawn at b4, white bishop at c4, white pawn at e4 and white knight at f4. White knight at a3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at d1 and white rook at f1. Black kingside is the only castle move available. Half move number is 4. Full move number is 11. White to move.