r1b2bnr/pp2p1p1/Q1nq4/1Pp1kp1P/2p5/P2P4/3BPP1P/RN1K1BNR w - - 2 15
FEN state: r1b2bnr/pp2p1p1/Q1nq4/1Pp1kp1P/2p5/P2P4/3BPP1P/RN1K1BNR w - - 2 15 ; Best move: a6a4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at g7. White queen at a6, black knight at c6 and black queen at d6. White pawn at b5, black pawn at c5, black king at e5, black pawn at f5 and white pawn at h5. Black pawn at c4. White pawn at a3 and white pawn at d3. White bishop at d2, white pawn at e2, white pawn at f2 and white pawn at h2. 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 2. Full move number is 15. White to move.