rnbB1knr/3p1p1p/3bp3/ppp3p1/1P1P2P1/3KPN1P/P1P2P2/RN1Q1B1R w - - 1 13
FEN state: rnbB1knr/3p1p1p/3bp3/ppp3p1/1P1P2P1/3KPN1P/P1P2P2/RN1Q1B1R w - - 1 13 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, white bishop at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at f7 and black pawn at h7. Black bishop at d6 and black pawn at e6. Black pawn at a5, black pawn at b5, black pawn at c5 and black pawn at g5. White pawn at b4, white pawn at d4 and white pawn at g4. White king at d3, white pawn at e3, 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 queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. White to move.