MESON Chess Problem Database

Problem Display
PID: 226457 (8/7R/8/7Q/2K5/8/5pP1/5kr1 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2004

8/7R/8/7Q/2K5/8/5pP1/5kr1

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg2
      • 2.Qh3#
    • 1...Rxg2
      • 2.Qd1#
  • Tries
    • 1.Re7?
      • 1...Rxg2
        • 2.Qd1#
      • 1...Rh1
        • 2.Qxh1#
      • 1...Kxg2!
    • 1.Qf3?
      • 1...Rxg2
        • 2.Qd1#
      • 1...Rh1
        • 2.Rxh1#
      • 1...Ke1!
    • 1.Qg4?
      • 1...Rxg2
        • 2.Qd1#
      • 1...Rh1
        • 2.Rxh1#
      • 1...Ke1!
  • Keys
    • 1.Kd3!
      • 1...Ke1
        • 2.Qe2#
      • 1...Kxg2
        • 2.Qh3#
      • 1...Rxg2
        • 2.Qd1#
      • 1...Rh1
        • 2.Qxh1#

This is a version of 57821

FEATURES

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