[Event "Denker Tournament of HS Champions"] [Site "Rancho Mirage, CA"] [Date "2022.08.02"] [Round "6"] [White "Sethuraman, FM Sandeep"] [Black "Chasin, FM Nico"] [Result "1-0"] [WhiteElo "2371"] [BlackElo "2428"] [Annotator "JJ Lang"] [Variant "From Position"] [ECO "?"] [Opening "?"] [FEN "5k2/R7/1r6/5PK1/8/8/8/8 b - - 0 75"] [SetUp "1"] [Source "https://lichess.org/study/FRzmURsX/yKBal4xw"] [Orientation "white"] { [%evp 0,157,20,18,18,-6,0,0,33,-14,-14,-22,-14,-29,-13,-3,-15,15,19,21,65,63, 70,21,13,20,11,37,11,7,27,61,78,82,101,51,38,38,39,24,30,32,31,34,39,48,52,69, 63,63,89,94,105,97,104,85,83,88,95,93,93,90,85,90,91,90,88,90,90,88,91,90,90, 96,97,97,92,97,93,95,88,89,88,88,98,91,93,96,91,95,98,91,96,102,96,96,96,92,92, 87,92,92,92,62,62,64,96,92,96,91,95,88,88,55,95,55,55,55,55,44,44,44,44,27,35, 28,63,25,14,4,63,22,23,4,4,4,4,4,4,4,4,3,4,4,4,4,4,4,4,4,4,4,507,527,1022,1467, 29971,29972,29973,29974] [#] } 75... Rb5?? (75... Rc6 { In what appears to still be a standard Philidor position, Black's simplest drawing strategy is to prevent the White monarch from entering the sixth rank. } 76. f6 { The key point is, if White ever attempts to use the pawn as a shield from side-checks } 76... Rc1 { Black exploits the fact that the pawn is now in front of the king and thus unable to shield the king from rear-checks! }) 76. Kg6! Rb8 (76... Rb1 77. Ra8+ Ke7 78. f6+ Ke6 79. Re8+ Kd7 80. Kf7 { and White has achieved a Lucena position, where the pawn will shield the king from the enemy rook. } (80. f7 { although it is worth noting that, here, the Lucena strategy is unnecessary, as White's rook already occupies the 8th rank. } 80... Rg1+ 81. Kh5! { by avoiding the f-file, White can slowly eliminate Black's checking distance. Ordinarily, Black could exploit this by playing Rf1 to attack both f7 and f8, but here the rook already covers the 8th rank. } 81... Rh1+ 82. Kg4 Rg1+ 83. Kh3 Rh1+ 84. Kg2)) 77. f6 Kg8 78. Rg7+ Kf8 79. Rh7! { 1-0 White wins. } 1-0