MESON Chess Problem Database

Problem Display
PID: 169234 (8/8/R7/4pk2/8/4B3/4K1P1/Q7 w - - 0 1)

Klipachev, Vladimir Panteleevich

6/11 Place, SuperProblem 181. TT, 2017

8/8/R7/4pk2/8/4B3/4K1P1/Q7

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe5+?
      • 1...Kg4
        • 2.Ra4#
        • 2.Qg5#
      • 1...Kxe5!
    • 1.Qf1+?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kg4!
    • 1.g4+?
      • 1...Ke4
        • 2.Qh1#
      • 1...Kxg4!
  • Keys
    • 1.Qh1!
      • 1...Ke4
        • 2.g4#
      • 1...Kg4
        • 2.Qh3#
      • 1...e4
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT,XP(C)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB(A)+P(C)
      • K(b);S_FLIGHT::QAB1(A)
      • P(a);SBLOCK::QAR2(A)
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