MESON Chess Problem Database

Problem Display
PID: 245527 (8/8/8/4p3/5p2/6k1/8/1N1QK2R w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2005

8/8/8/4p3/5p2/6k1/8/1N1QK2R

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • threat
        • 2.Qf3#
      • 1...Kg2
        • 2.Qf3#
      • 1...f3
        • 2.Qxf3#
      • 1...e4!
    • 1.Rg1+?
      • 1...Kh3
        • 2.Qh5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Rh3+?
      • 1...Kg2
        • 2.Qg4#
      • 1...Kxh3!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Rg1#
        • 2.Qh3#
      • 1...Kg2
        • 2.Qh3#
      • 1...f3
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
        • P(b);::QAR1(B),XP(b)
      • Refutation
        • P(c);
    • Try
      • R(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XR(D)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
      • P(b);SBLOCK::QAR2(B)
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