MESON Chess Problem Database

Problem Display
PID: 206046 (7n/7P/8/5Q2/6pk/5p2/3N1K1P/5B2 w - - 0 1)

Tompuri, Ismo

Tehtavaniekka, 2018

7n/7P/8/5Q2/6pk/5p2/3N1K1P/5B2

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...g3+
      • 2.hxg3#
  • Tries
    • 1.Se4?
      • threat
        • 2.Qg5#
      • 1...g3+
        • 2.hxg3#
      • 1...Sf7!
    • 1.h3?
      • threat
        • 2.Qxg4#
      • 1...gxh3
        • 2.Sxf3#
      • 1...g3+!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Qxg4#
      • 1...g3+
        • 2.hxg3#
      • 1...Kxh3
        • 2.Qh5#
      • 1...gxh3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);CHECK,OGATE::P(D),XP(b)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(E)
      • Vars
        • P(b);CHECK,OGATE::P(D),XP(b)
      • Refutation
        • S(d);
    • Try
      • P(D);
      • Threat
        • QAR1(E),XP(b)
      • Vars
        • P(b);N_GUARD,XP(D)::S(B),XP(a)
      • Refutation
        • P(b);CHECK
  • Actual
    • B(A);
    • Threat
      • QAR1(E),XP(b)
    • Vars
      • P(b);CHECK,OGATE::P(D),XP(b)
      • K(c);P-FLIGHT,P_SPINP(b),XB(A)::QAR2(E)
      • P(b);N_GUARD,XB(A)::S(B),XP(a)
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