A unique chess board, signed by the world's top ten players in Altibox Norway Chess 2018, will be auctioned to income in favor of diabetic patients.
18...Nxd3+! [Shirov chooses the best way to obtain an advantage.]
[18...Nxg2+ would not be so good, in view of 19.Kd2 Nc4+ 20.Bxc4 Rxc4 21.Rhg1 Bh3 22.Kd3 Rc6=]
19.Rxd3 Bf5 [△Nc4]
20.Rd1 [20.Ne4 Rc2! 21.d5 Bb4+ 22.Kd1 Rxb2=/+]
20...Nc4! [Alexei fully exploits the absence of the White's light-squared bishop.]
21.0–0 [21.b3? Nb2 22.Rd2 Nd3+ △Bb4 23.Rxd3 Bxd3 24.Kd2 Ba6-/+]
21...Nxb2 22.Rb1? [White gives up the exchange unnecessarily.]
[22.Rd2! Nc4 23.Rdd1 Ba3 24.Ne4 Re8 25.N2c3 Bxe4 26.Nxe4 f5 27.Nc5 b6 28.Nd3=/+]
22...Bxb1 23.Rxb1 Ba3 24.Nb5? [24.d5 Re8 25.Bxa7 Nd3 26.Bb6+ Kd7µ]
24...Rc2!–+ 0–1
[18...Nxg2+ would not be so good, in view of 19.Kd2 Nc4+ 20.Bxc4 Rxc4 21.Rhg1 Bh3 22.Kd3 Rc6=]
19.Rxd3 Bf5 [△Nc4]
20.Rd1 [20.Ne4 Rc2! 21.d5 Bb4+ 22.Kd1 Rxb2=/+]
20...Nc4! [Alexei fully exploits the absence of the White's light-squared bishop.]
21.0–0 [21.b3? Nb2 22.Rd2 Nd3+ △Bb4 23.Rxd3 Bxd3 24.Kd2 Ba6-/+]
21...Nxb2 22.Rb1? [White gives up the exchange unnecessarily.]
[22.Rd2! Nc4 23.Rdd1 Ba3 24.Ne4 Re8 25.N2c3 Bxe4 26.Nxe4 f5 27.Nc5 b6 28.Nd3=/+]
22...Bxb1 23.Rxb1 Ba3 24.Nb5? [24.d5 Re8 25.Bxa7 Nd3 26.Bb6+ Kd7µ]
24...Rc2!–+ 0–1