NOTES CHESS ENDGAME NEWS

provided a case study for tournament arbiters and endgame connoisseurs. Black correctly announced ‘mate in 30’ as advised by its Nalimov DTM(ate) EGT at KQPKQP position 65b, Figure 1a. White was ready to resign but arbiter Jan Krabbenbos ’ call was to play on. A mild case of bit rot meant that THE BARON was in fact only intermittently in touch2 with its somewhat flawed KQPKQP EGT and could not simply win by look-up. As the next 25 moves show, with (equi-)optimal-move marks and concessions (Bleicher, 2012) in brackets, THE BARON actually regressed in DTM terms, playing five DTM-suboptimal moves and conceding a DTM depth of 36m to ROOKIE’s 9m. However, it still reached KQPKQ with a healthy EGT and a look-up win