MESON Chess Problem Database

Problem Display
PID: 119821 (3Q4/8/5K2/7b/2R5/8/BNP5/n1kN4 w - - 0 1)

Kuneticky, Otokar

Illustrovany svet, 1903

3Q4/8/5K2/7b/2R5/8/BNP5/n1kN4

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.cxb3#
  • Tries
    • 1.Ke5?
      • threat
        • 2.Qg5#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
    • 1.Kg7?
      • threat
        • 2.Qg5#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
    • 1.Qd3?
      • threat
        • 2.Qe3#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
    • 1.Qd4?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
    • 1.Qd5?
      • threat
        • 2.Qg5#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
    • 1.Qd6?
      • threat
        • 2.Qf4#
      • 1...Sb3
        • 2.cxb3#
      • 1...Bxd1!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qg5#
      • 1...Bxd1
        • 2.Sd3#
      • 1...Sb3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::R(E)+P(D),XS(a)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • QAB(G)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
    • Try
      • K(F);S_FLIGHT
      • Threat
        • QAB(G)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • S(a);OGATE::R(E)+P(D),XS(a)
      • Refutation
        • B(c);XS(A)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • B(c);SBLOCK,XS(A)::S(C)
      • S(a);OGATE::R(E)+P(D),XS(a)
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