MESON Chess Problem Database

Problem Display
PID: 171358 (8/KB6/6N1/Q6P/4N1k1/8/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

8/KB6/6N1/Q6P/4N1k1/8/8/8

#2

6 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1?
      • 1...Kf3
        • 2.Sf6#
      • 1...Kh3
        • 2.Qg3#
      • 1...Kf5
        • 2.Bc8#
      • 1...Kxh5!
    • 1.Qc3?
      • 1...Kf5
        • 2.Qh3#
        • 2.Qc8#
      • 1...Kxh5!
    • 1.Qa3?
      • 1...Kf5
        • 2.Qh3#
      • 1...Kxh5!
    • 1.Qe5?
      • threat
        • 2.Sf2#
      • 1...Kh3
        • 2.Sf2#
        • 2.Qg3#
      • 1...Kf3!
    • 1.Qg5+?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kf3!
  • Keys
    • 1.Qd2!
      • 1...Kf3
        • 2.Se5#
      • 1...Kh3
        • 2.Bc8#
      • 1...Kf5
        • 2.Qd7#
      • 1...Kxh5
        • 2.Qg5#

Anticipated by 87780(1993)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(F)+S(A)
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT,XP(C)
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT,XP(C)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT,XP(C)
    • Try
      • Q(B);
      • Threat
        • S(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT::QAB(B)
      • K(a);S_FLIGHT,XP(C)::QAR1(B)
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