MESON Chess Problem Database

Problem Display
PID: 166805 (5n1q/7k/4p2p/4P3/5pQ1/5K2/8/6R1 w - - 0 1)

Pozarski, A

Sachmatija, 2010

5n1q/7k/4p2p/4P3/5pQ1/5K2/8/6R1

#2

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Qg8#
    • 1...Qf6
      • 2.Qg8#
    • 1...Qg7
      • 2.Qxg7#
    • 1...Qg8
      • 2.Qxg8#
    • 1...Sg6
      • 2.Qxg6#
    • 1...Sd7
      • 2.Qg6#
    • 1...h5
      • 2.Qxh5#
  • Tries
    • 1.Kf2?
      • 1...Qxe5
        • 2.Qg8#
      • 1...Qf6
        • 2.Qg8#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qg8
        • 2.Qxg8#
      • 1...Sg6
        • 2.Qxg6#
      • 1...h5
        • 2.Qxh5#
      • 1...Sd7
        • 2.Qg6#
      • 1...f3!
    • 1.Rg3?
      • 1...Qxe5
        • 2.Qg8#
      • 1...Qf6
        • 2.Qg8#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qg8
        • 2.Qxg8#
      • 1...Sg6
        • 2.Qxg6#
      • 1...h5
        • 2.Qxh5#
      • 1...Sd7
        • 2.Qg6#
      • 1...fxg3!
    • 1.Qf5+?
      • 1...Sg6
        • 2.Qxg6#
      • 1...exf5!
    • 1.Qg2?
      • 1...Qxe5
        • 2.Qg8#
      • 1...Qf6
        • 2.Qg8#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qg8
        • 2.Qxg8#
      • 1...Sg6
        • 2.Qxg6#
      • 1...Sd7
        • 2.Qc2#
        • 2.Qg6#
      • 1...h5!
    • 1.Qg5?
      • 1...Qxe5
        • 2.Qg8#
      • 1...Qf6
        • 2.Qg8#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qg8
        • 2.Qxg8#
      • 1...Sg6
        • 2.Qxg6#
      • 1...Sd7
        • 2.Qg6#
      • 1...h5
        • 2.Qxh5#
      • 1...hxg5!
  • Keys
    • 1.Rg2!
      • 1...Qxe5
        • 2.Qg8#
      • 1...Qf6
        • 2.Qg8#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qg8
        • 2.Qxg8#
      • 1...Sg6
        • 2.Qxg6#
      • 1...h5
        • 2.Qxh5#
      • 1...Sd7
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(f);N_GUARD,XP(D)::QAB1(C)
    • Q(f);N_GUARD::QAB1(C)
    • Q(f);N_GUARD::QAR1(C),XQ(f)
    • Q(f);N_GUARD::QAB1(C),XQ(f)
    • S(e);N_GUARD::QAB1(C),XS(e)
    • S(e);N_GUARD::QAB1(C)
    • P(c);OGATEB::QAR2(C),XP(c)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • Q(f);N_GUARD,XP(D)::QAB1(C)
        • Q(f);N_GUARD::QAB1(C)
        • Q(f);N_GUARD::QAR1(C),XQ(f)
        • Q(f);N_GUARD::QAB1(C),XQ(f)
        • S(e);N_GUARD::QAB1(C),XS(e)
        • P(c);OGATEB::QAR2(C),XP(c)
        • S(e);N_GUARD::QAB1(C)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • Q(f);N_GUARD,XP(D)::QAB1(C)
        • Q(f);N_GUARD::QAB1(C)
        • Q(f);N_GUARD::QAR1(C),XQ(f)
        • Q(f);N_GUARD::QAB1(C),XQ(f)
        • S(e);N_GUARD::QAB1(C),XS(e)
        • P(c);OGATEB::QAR2(C),XP(c)
        • S(e);N_GUARD::QAB1(C)
      • Refutation
        • P(a);XR(A)
    • Try
      • Q(C);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(C),XS(e)
      • Refutation
        • P(b);XQ(C)
    • Try
      • Q(C);
      • Vars
        • Q(f);N_GUARD,XP(D)::QAB1(C)
        • Q(f);N_GUARD::QAB1(C)
        • Q(f);N_GUARD::QAR1(C),XQ(f)
        • Q(f);N_GUARD::QAB1(C),XQ(f)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • Q(f);N_GUARD,XP(D)::QAB1(C)
        • Q(f);N_GUARD::QAB1(C)
        • Q(f);N_GUARD::QAR1(C),XQ(f)
        • Q(f);N_GUARD::QAB1(C),XQ(f)
        • S(e);N_GUARD::QAB1(C),XS(e)
        • S(e);N_GUARD::QAB1(C)
        • P(c);OGATEB::QAR2(C),XP(c)
      • Refutation
        • P(c);XQ(C)
  • Actual
    • R(A);
    • Vars
      • Q(f);N_GUARD,XP(D)::QAB1(C)
      • Q(f);N_GUARD::QAB1(C)
      • Q(f);N_GUARD::QAR1(C),XQ(f)
      • Q(f);N_GUARD::QAB1(C),XQ(f)
      • S(e);N_GUARD::QAB1(C),XS(e)
      • P(c);OGATEB::QAR2(C),XP(c)
      • S(e);N_GUARD::QAB1(C)
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