MESON Chess Problem Database

Problem Display
PID: 79735 (6N1/3B4/4N3/2P2k2/8/7K/6Q1/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

2nd Prize, Pustovoi MT, 2003

6N1/3B4/4N3/2P2k2/8/7K/6Q1/8

#2

6 + 1

136 Problem Observer 2008
23 Die Schwalbe 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kg6!
    • 1.Sf6?
      • threat
        • 2.Qg5#
      • 1...Ke5
        • 2.Qg5#
      • 1...Kxf6!
    • 1.Sh6+?
      • 1...Kf6
        • 2.Qg5#
        • 2.Qg7#
      • 1...Ke5!
    • 1.Se7+?
      • 1...Kf6
        • 2.Qg7#
      • 1...Ke5!
    • 1.Be8?
      • threat
        • 2.Qd5#
      • 1...Kxe6
        • 2.Qe4#
      • 1...Ke5!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kxe6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(F)
    • Try
      • S(F);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT,XS(D)::QAB1(A)
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