rn3bnr/p2pk2p/bp2ppp1/8/PP1pq2P/B5P1/2P1QP2/RN1K1BNR w - - 0 13
FEN state: rn3bnr/p2pk2p/bp2ppp1/8/PP1pq2P/B5P1/2P1QP2/RN1K1BNR w - - 0 13 ; Best move: b4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7 and black pawn at h7. Black bishop at a6, black pawn at b6, black pawn at e6, black pawn at f6 and black pawn at g6. White pawn at a4, white pawn at b4, black pawn at d4, black queen at e4 and white pawn at h4. White bishop at a3 and white pawn at g3. White pawn at c2, white queen at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.