MESON Chess Problem Database

Problem Display
PID: 276211 (2N5/r1n1R3/5k2/2R1NP2/5PBK/3rp3/b7/8 w - - 0 1)

Jurkowski, T

To Mat, 1959

2N5/r1n1R3/5k2/2R1NP2/5PBK/3rp3/b7/8

#2

8 + 6

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rda3
      • 2.Sd7#
    • 1...Rb3
      • 2.Sd7#
      • 2.Rf7#
    • 1...Rc3
      • 2.Sd7#
    • 1...Rd5
      • 2.Rf7#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Bb1
      • 2.Rf7#
    • 1...Bd5
      • 2.Sd7#
    • 1...Bf7
      • 2.Rxf7#
    • 1...Sd5
      • 2.Rc6#
  • Tries
    • 1.Rc6+?
      • 1...Rd6
        • 2.Sd7#
      • 1...Be6
        • 2.Rf7#
      • 1...Se6!
    • 1.Rg7?
      • threat
        • 2.Rg6#
      • 1...Bf7
        • 2.Rxf7#
      • 1...Kxg7!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Sg4#
      • 1...Bf7
        • 2.Rxf7#
      • 1...Rd5
        • 2.Rf7#
      • 1...Bd5
        • 2.Sd7#
      • 1...Sd5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::S(E)
    • R(b);S_CUTB(a)::R1(G)
    • R(b);N_GUARD::S(E),XR(b)
    • B(a);N_GUARD::R1(G)
    • B(a);S_CUTR(b)::S(E)
    • B(a);N_GUARD::R1(G),XB(a)
    • S(f);N_GUARD,S_CUTB(a),S_CUTR(b)::R(D)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • R(b);P_SPINR(b)::S(E)
        • B(a);P_SPINB(a)::R1(G)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • B(a);N_GUARD::R1(G),XB(a)
      • Refutation
        • K(d);S_FLIGHT,XR(G)
  • Actual
    • B(B);
    • Threat
      • S(E)
    • Vars
      • B(a);N_GUARD::R1(G),XB(a)
      • R(b);S_CUTB(a)::R1(G)
      • B(a);S_CUTR(b)::S(E)
      • S(f);N_GUARD,S_CUTB(a),S_CUTR(b)::R(D)
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