MESON Chess Problem Database

Problem Display
PID: 271819 (5bb1/2r1p3/8/1R2B3/p3B1Q1/k3N3/1R5r/Kn6 w - - 0 1)

Retter, Yosef

3rd HM., Pat a Mat 02. TT, 2001

5bb1/2r1p3/8/1R2B3/p3B1Q1/k3N3/1R5r/Kn6

#2

7 + 8

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Bxb2#
  • Tries
    • 1.Bg2?
      • threat
        • 2.Qb4#
      • 1...Rc4
        • 2.Ra2#
      • 1...Bc4
        • 2.Sc2#
      • 1...e6
        • 2.Ra2#
      • 1...Rh4!
    • 1.Bd5?
      • threat
        • 2.Qb4#
      • 1...Rxb2
        • 2.Bxb2#
      • 1...Rh4
        • 2.Ra2#
      • 1...Rc4
        • 2.Sxc4#
      • 1...e6!
    • 1.Bd6+?
      • 1...Rc5
        • 2.Bxc5#
      • 1...exd6!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Qb4#
      • 1...Rxb2
        • 2.Bxb2#
      • 1...Rh4
        • 2.Sc2#
      • 1...Bc4
        • 2.Sxc4#
      • 1...e6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,XR(B)::B(G),XR(b)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(E)
      • Vars
        • R(e);S_CUTB(h)::R1(B)
        • B(h);S_CUTR(e)::S(C)
        • P(f);S_CUTB(h)::R1(B)
      • Refutation
        • R(b);
    • Try
      • B(D);
      • Threat
        • QAB1(E)
      • Vars
        • R(b);OGATE,XR(B)::B(G),XR(b)
        • R(b);N_GUARD::R1(B)
        • R(e);N_GUARD::S(C),XR(e)
      • Refutation
        • P(f);
    • Try
      • B(G);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::B(G),XR(e)
      • Refutation
        • P(f);XB(G)
  • Actual
    • B(D);
    • Threat
      • QAB1(E)
    • Vars
      • R(b);OGATE,XR(B)::B(G),XR(b)
      • R(b);N_GUARD::S(C)
      • B(h);N_GUARD::S(C),XB(h)
      • P(f);S_CUTB(h)::S(C)
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