rnb2b2/ppqppkpr/2p2p1n/7p/3PP3/2P4N/PPQN1PPP/R1BK1B1R w - - 4 10
FEN state: rnb2b2/ppqppkpr/2p2p1n/7p/3PP3/2P4N/PPQN1PPP/R1BK1B1R w - - 4 10 ; Best move: e4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black bishop at f8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at d7, black pawn at e7, black king at f7, black pawn at g7 and black rook at h7. Black pawn at c6, black pawn at f6 and black knight at h6. Black pawn at h5. White pawn at d4 and white pawn at e4. White pawn at c3 and white knight at h3. White pawn at a2, white pawn at b2, white queen at c2, white knight at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 10. White to move.