MESON Chess Problem Database

Problem Display
PID: 157588 (8/3K4/8/2N3pp/6k1/4Q3/3N4/8 w - - 0 1)

Shmatov, Vladimir Afanasievich

Zujevas, Nikolajus

Kudesnik, 2009

8/3K4/8/2N3pp/6k1/4Q3/3N4/8

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...h4
      • 2.Qf3#
  • Tries
    • 1.Ke6?
      • 1...h4
        • 2.Qf3#
      • 1...Kh4!
    • 1.Ke7?
      • 1...Kf5
        • 2.Qe4#
      • 1...h4
        • 2.Qf3#
      • 1...Kh4!
    • 1.Sde4?
      • 1...Kh4
        • 2.Qg3#
      • 1...Kf5
        • 2.Qxg5#
      • 1...h4!
    • 1.Sd3?
      • 1...Kf5
        • 2.Qe6#
      • 1...h4
        • 2.Qf3#
      • 1...Kh4!
    • 1.Se6?
      • 1...Kf5
        • 2.Qxg5#
      • 1...h4
        • 2.Qf3#
      • 1...Kh4!
    • 1.Qf2?
      • 1...h4
        • 2.Qf3#
      • 1...Kh3!
    • 1.Qh3+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxh3!
  • Keys
    • 1.Sce4!
      • 1...Kh4
        • 2.Qg3#
      • 1...Kf5
        • 2.Qxg5#
      • 1...h4
        • 2.Qf3#

FEATURES

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