MESON Chess Problem Database

Problem Display
PID: 140225 (r3k3/1R6/B1P3P1/p3N3/2K5/1Q6/p5pp/4R3 w q - 0 1)

Szoghy, Jozsef

Probleemblad, 1975

r3k3/1R6/B1P3P1/p3N3/2K5/1Q6/p5pp/4R3

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8
      • 2.Sd7#
    • 1...0-0-0
      • 2.Ra7#
      • 2.Rd7#
      • 2.Re7#
      • 2.Rf7#
      • 2.Rg7#
      • 2.Rh7#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Qg8#
      • 1...Kd8
        • 2.Qg8#
      • 1...Kf8
        • 2.Qf7#
      • 1...0-0-0!
    • 1.Sd3+?
      • 1...Kd8
        • 2.Rd7#
      • 1...Kf8!
    • 1.Sf3+?
      • 1...Kd8
        • 2.Rd7#
      • 1...Kf8!
    • 1.Sg4+?
      • 1...Kd8
        • 2.Rd7#
      • 1...Kf8!
    • 1.Qa3?
      • threat
        • 2.Sf7#
        • 2.Qe7#
      • 1...Kd8
        • 2.Qf8#
      • 1...a1Q
        • 2.Qe7#
      • 1...a1B
        • 2.Qe7#
      • 1...a1R
        • 2.Qe7#
      • 1...g1Q
        • 2.Qe7#
      • 1...g1S
        • 2.Qe7#
      • 1...g1B
        • 2.Qe7#
      • 1...g1R
        • 2.Qe7#
      • 1...h1Q
        • 2.Qe7#
      • 1...h1R
        • 2.Qe7#
      • 1...0-0-0!
    • 1.Qb4?
      • threat
        • 2.Sf7#
        • 2.Qe7#
      • 1...Kd8
        • 2.Qf8#
      • 1...0-0-0
        • 2.Ra7#
        • 2.Rd7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rg7#
        • 2.Rh7#
      • 1...a1Q
        • 2.Qe7#
      • 1...a1B
        • 2.Qe7#
      • 1...a1R
        • 2.Qe7#
      • 1...g1Q
        • 2.Qe7#
      • 1...g1S
        • 2.Qe7#
      • 1...g1B
        • 2.Qe7#
      • 1...g1R
        • 2.Qe7#
      • 1...h1Q
        • 2.Qe7#
      • 1...h1R
        • 2.Qe7#
      • 1...axb4!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Qg8#
      • 1...Rd8+
        • 2.Sd7#
      • 1...0-0-0+
        • 2.Rd7#
      • 1...Kd8
        • 2.Qg8#
      • 1...Kf8
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK::R(A)+S(D)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAR2(B)
      • Vars
        • K(f);P-FLIGHT::QAR(B)
        • K(f);P-FLIGHT::QAR1(B)
      • Refutation
        • K(f);0-0-0
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(H)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(H)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(H)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);P-FLIGHT::QAR2(B)
        • P(a);::QAR1(B)
        • P(b);::QAR1(B)
        • P(c);::QAR1(B)
      • Refutation
        • K(f);0-0-0
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);P-FLIGHT::QAR2(B)
        • P(a);::QAR1(B)
        • P(b);::QAR1(B)
        • P(c);::QAR1(B)
      • Refutation
        • P(d);XQ(B)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • R(e);CHECK,SBLOCK::R(A)+S(D)
      • K(f);0-0-0,CHECK,OGATEB::B(E)+R(H)
      • K(f);P-FLIGHT::QAR(B)
      • K(f);P-FLIGHT::QAR1(B)
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