MESON Chess Problem Database

Problem Display
PID: 95868 (8/8/6RQ/5K1p/3p1P1p/4k3/8/2R1B1N1 w - - 0 1)

Stojnic, Dragan

Politika Meredith Ty., 1998

8/8/6RQ/5K1p/3p1P1p/4k3/8/2R1B1N1

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...h3
      • 2.Rg3#
  • Tries
    • 1.Ke5?
      • 1...d3
        • 2.f5#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Rc2?
      • 1...d3
        • 2.Bf2#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Rc4?
      • 1...d3
        • 2.Re4#
        • 2.Re6#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Rg2?
      • 1...d3
        • 2.Qb6#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Rg5?
      • 1...d3
        • 2.Qb6#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Ra6?
      • 1...Kd3
        • 2.Ra3#
      • 1...d3
        • 2.Qb6#
      • 1...h3!
    • 1.Rd6?
      • 1...Kd3
        • 2.Rc3#
      • 1...d3
        • 2.Qe6#
      • 1...h3!
    • 1.Rg7?
      • 1...d3
        • 2.Qb6#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Rg8?
      • 1...d3
        • 2.Qb6#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Qg7?
      • 1...d3
        • 2.Re6#
        • 2.Qe5#
        • 2.Qa7#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Qxh5?
      • threat
        • 2.Qe2#
        • 2.Qf3#
      • 1...Kd3
        • 2.Qe2#
        • 2.Qf3#
      • 1...d3!
    • 1.Qh7?
      • 1...d3
        • 2.Qa7#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
    • 1.Qh8?
      • 1...d3
        • 2.Re6#
        • 2.Qe5#
      • 1...h3
        • 2.Rg3#
      • 1...Kd3!
  • Keys
    • 1.Qf8!
      • 1...Kd3
        • 2.Qa3#
      • 1...d3
        • 2.Qc5#
      • 1...h3
        • 2.Rg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::R(F)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB(G)+P(D)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • P(b);SBLOCK::B(B)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(G)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(G)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT::R(F)
        • P(b);OGATEB,SBLOCK::QAB(G)
      • Refutation
        • P(c);
    • Try
      • R(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::R1(A)
        • P(b);::QAR(G)
      • Refutation
        • P(c);
    • Try
      • R(F);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(G)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(G)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(G);XP(d)
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(G)
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(c);N_GUARD::R(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);P-FLIGHT::QAR(G)
      • P(b);OGATEB,SBLOCK::QAB(G)
      • P(c);N_GUARD::R(F)
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