rnbq2nr/p1ppk2p/4pp2/1p6/1b1P1Pp1/1PP5/PB2PKPP/RN1Q1BNR w - - 0 10
FEN state: rnbq2nr/p1ppk2p/4pp2/1p6/1b1P1Pp1/1PP5/PB2PKPP/RN1Q1BNR w - - 0 10 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at e7 and black pawn at h7. Black pawn at e6 and black pawn at f6. Black pawn at b5. Black bishop at b4, white pawn at d4, white pawn at f4 and black pawn at g4. White pawn at b3 and white pawn at c3. White pawn at a2, white bishop at b2, white pawn at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen 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 10. White to move.