MESON Chess Problem Database

Problem Display
PID: 36343 (3N2Q1/4k3/bR4P1/2Pr4/3b4/7B/8/7K w - - 0 1)

Ruszczynski, Piotr

1st Prize, Konkurs PZSzach, 1971

3N2Q1/4k3/bR4P1/2Pr4/3b4/7B/8/7K

#2

7 + 4

3753 FIDE Album (1971-1973) 1978

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Re6#
    • 1...Rxd8
      • 2.Qf7#
    • 1...Bf6
      • 2.Sc6#
  • Tries
    • 1.Sb7?
      • threat
        • 2.Qf7#
      • 1...Rf5
        • 2.Qd8#
      • 1...Bxb7!
    • 1.Qe6+?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxd8!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qf7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Kd7
        • 2.Qd8#
      • 1...Rf5
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);SBLOCK::R1(D)
    • R(b);SBLOCK,XS(F)::QAR1(G)
    • B(a);SBLOCK::S(F)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(G)
      • Vars
        • R(b);N_GUARD::QAB1(G)
      • Refutation
        • B(c);XS(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(G)
      • Refutation
        • K(d);S_FLIGHT,XS(F)
  • Actual
    • S(F);
    • Threat
      • QAR1(G)
    • Vars
      • K(d);S_FLIGHT::QAB1(G)
      • K(d);P-FLIGHT::QAR1(G)
      • R(b);N_GUARD::QAB1(G)
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