r1b1k2r/pp1pq2p/2n1p1pN/2p5/2P1P1pP/1Qb2P2/PP1P4/RNBBK2R w KQkq - 5 13
FEN state: r1b1k2r/pp1pq2p/2n1p1pN/2p5/2P1P1pP/1Qb2P2/PP1P4/RNBBK2R w KQkq - 5 13 ; Best move: b3c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black queen at e7 and black pawn at h7. Black knight at c6, black pawn at e6, black pawn at g6 and white knight at h6. Black pawn at c5. White pawn at c4, white pawn at e4, black pawn at g4 and white pawn at h4. White queen at b3, black bishop at c3 and white pawn at f3. White pawn at a2, white pawn at b2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white bishop at d1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 13. White to move.