MESON Chess Problem Database

Problem Display
PID: 202758 (3R4/p2Q2p1/Np3pN1/3P4/2pkp3/K1pPp3/P1P1P3/8 w - - 0 1)

Chernikh, Vassily

Zadachi i Etyudi, 2016

3R4/p2Q2p1/Np3pN1/3P4/2pkp3/K1pPp3/P1P1P3/8

#2

10 + 9

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...cxd3
      • 2.Qa4#
    • 1...exd3
      • 2.Qg4#
    • 1...b5
      • 2.Qxa7#
    • 1...f5
      • 2.Qxg7#
  • Tries
    • 1.Kb4?
      • 1...exd3
        • 2.Qg4#
      • 1...b5
        • 2.Qxa7#
      • 1...f5
        • 2.Qxg7#
      • 1...cxd3!
    • 1.Qb5?
      • threat
        • 2.Qxc4#
      • 1...cxd3
        • 2.Qa4#
        • 2.Qb4#
      • 1...exd3!
    • 1.Qf5?
      • threat
        • 2.Qxe4#
      • 1...exd3
        • 2.Qg4#
        • 2.Qf4#
      • 1...cxd3!
    • 1.Qc6?
      • threat
        • 2.Qxc4#
      • 1...cxd3
        • 2.Qa4#
      • 1...b5
        • 2.Qc5#
      • 1...exd3!
    • 1.Qe6?
      • threat
        • 2.Qxe4#
      • 1...exd3
        • 2.Qg4#
      • 1...f5
        • 2.Qe5#
      • 1...cxd3!
    • 1.Qc8?
      • threat
        • 2.Qxc4#
      • 1...exd3
        • 2.Qg4#
      • 1...b5
        • 2.Qc5#
      • 1...cxd3!
    • 1.Qe8?
      • threat
        • 2.Qxe4#
      • 1...cxd3
        • 2.Qa4#
      • 1...f5
        • 2.Qe5#
      • 1...exd3!
    • 1.Qc7?
      • threat
        • 2.Qxc4#
      • 1...exd3
        • 2.Qf4#
      • 1...b5
        • 2.Qc5#
        • 2.Qxa7#
      • 1...cxd3!
    • 1.Qe7?
      • threat
        • 2.Qxe4#
      • 1...cxd3
        • 2.Qb4#
      • 1...f5
        • 2.Qe5#
        • 2.Qxg7#
      • 1...exd3!
  • Keys
    • 1.Qd6!
      • 1...cxd3
        • 2.Qb4#
      • 1...exd3
        • 2.Qf4#
      • 1...b5
        • 2.Qc5#
      • 1...f5
        • 2.Qe5#

Anticipated by 69713(1962)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,XP(E)::QAR(I)
    • P(e);OGATEB,XP(E)::QAR(I)
    • P(f);OGATEB::QAB(I),XP(h)
    • P(g);OGATEB::QAB(I),XP(i)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • P(e);OGATEB,XP(E)::QAR(I)
        • P(f);OGATEB::QAB(I),XP(h)
        • P(g);OGATEB::QAB(I),XP(i)
      • Refutation
        • P(c);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(c)
      • Refutation
        • P(e);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(e)
      • Refutation
        • P(c);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(c)
      • Vars
        • P(c);OGATEB,XP(E)::QAR(I)
        • P(f);N_GUARD::QAB1(I)
      • Refutation
        • P(e);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(e)
      • Vars
        • P(e);OGATEB,XP(E)::QAR(I)
        • P(g);N_GUARD::QAB1(I)
      • Refutation
        • P(c);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(c)
      • Vars
        • P(e);OGATEB,XP(E)::QAR(I)
        • P(f);N_GUARD::QAB1(I)
      • Refutation
        • P(c);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(e)
      • Vars
        • P(c);OGATEB,XP(E)::QAR(I)
        • P(g);N_GUARD::QAB1(I)
      • Refutation
        • P(e);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(c)
      • Vars
        • P(e);OGATEB,XP(E)::QAR2(I)
      • Refutation
        • P(c);XP(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(e)
      • Vars
        • P(c);OGATEB,XP(E)::QAR2(I)
      • Refutation
        • P(e);XP(E)
  • Actual
    • Q(I);
    • Vars
      • P(c);OGATEB,XP(E)::QAR2(I)
      • P(e);OGATEB,XP(E)::QAR2(I)
      • P(f);N_GUARD::QAB1(I)
      • P(g);N_GUARD::QAB1(I)
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