r2q1kn1/1p3pbr/p1pp4/2n1Pb1p/1PBP2P1/Q4N1P/P1P2P2/RN1K3R w - - 4 15
FEN state: r2q1kn1/1p3pbr/p1pp4/2n1Pb1p/1PBP2P1/Q4N1P/P1P2P2/RN1K3R w - - 4 15 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8 and black knight at g8. Black pawn at b7, black pawn at f7, black bishop at g7 and black rook at h7. Black pawn at a6, black pawn at c6 and black pawn at d6. Black knight at c5, white pawn at e5, black bishop at f5 and black pawn at h5. White pawn at b4, white bishop at c4, white pawn at d4 and white pawn at g4. White queen at a3, white knight at f3 and white pawn at h3. White pawn at a2, white pawn at c2 and white pawn at f2. White rook at a1, white knight at b1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. White to move.