rnb1k1nr/pp2b2p/q3ppp1/2pp4/R2PQ2N/2P1B2P/1P2PPP1/1N2KB1R w Kkq - 0 13
FEN state: rnb1k1nr/pp2b2p/q3ppp1/2pp4/R2PQ2N/2P1B2P/1P2PPP1/1N2KB1R w Kkq - 0 13 ; Best move: e4c2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at e7 and black pawn at h7. Black queen at a6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at c5 and black pawn at d5. White rook at a4, white pawn at d4, white queen at e4 and white knight at h4. White pawn at c3, white bishop at e3 and white pawn at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at g2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.