MESON Chess Problem Database

Problem Display
PID: 233034 (2K5/N7/1k6/2R5/8/1p3N2/6Q1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2017

2K5/N7/1k6/2R5/8/1p3N2/6Q1/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg6+?
      • 1...Kxa7
        • 2.Ra5#
      • 1...Kxc5!
    • 1.Qg7?
      • 1...Kxc5
        • 2.Qd4#
      • 1...Ka6
        • 2.Qb7#
      • 1...b2!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qa5#
      • 1...Kxc5
        • 2.Qd4#
      • 1...Ka6
        • 2.Qa5#
      • 1...Kxa7
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(D)::R(C)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
    • Try
      • Q(A);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(C)::QAB1(A)
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(C)::QAB1(A)
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT,XS(D)::QAR2(A)
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