rnb2rk1/p1np4/q1P2p2/1p2p1pp/1p2P3/2P4N/PBQ2PPP/RN1K1B1R w - - 0 15
FEN state: rnb2rk1/p1np4/q1P2p2/1p2p1pp/1p2P3/2P4N/PBQ2PPP/RN1K1B1R w - - 0 15 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7, black knight at c7 and black pawn at d7. Black queen at a6, white pawn at c6 and black pawn at f6. Black pawn at b5, black pawn at e5, black pawn at g5 and black pawn at h5. Black pawn at b4 and white pawn at e4. White pawn at c3 and white knight at h3. White pawn at a2, white bishop at b2, white queen at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. White to move.