MESON Chess Problem Database

Problem Display
PID: 213666 (8/1Q1N1K1n/3kP1PB/qp3pr1/8/2p1pR1n/1bRNr3/8 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1991

8/1Q1N1K1n/3kP1PB/qp3pr1/8/2p1pR1n/1bRNr3/8

#2

9 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf6
      • 2.Bf8#
    • 1...Sf8
      • 2.Bxf8#
    • 1...cxd2
      • 2.Qc6#
    • 1...exd2
      • 2.Rd3#
    • 1...b4
      • 2.Sc4#
    • 1...f4
      • 2.Se4#
  • Tries
    • 1.Qb6+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Qxb6!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Be5#
      • 1...cxd2
        • 2.Qc6#
      • 1...exd2
        • 2.Rd3#
      • 1...Sf6
        • 2.Bf8#
      • 1...b4
        • 2.Sc4#
      • 1...f4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(k);N_GUARD::B(F)
    • S(k);N_GUARD::B(F),XS(k)
    • P(c);XS(B)::QAR1(G)
    • P(d);OGATE,XS(B)::R(C)
    • P(g);N_GUARD::S(B)
    • P(h);N_GUARD::S(B)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(j);P-FLIGHT::QAR1(G)
      • Refutation
        • Q(f);XQ(G)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • P(c);XS(B)::QAR1(G)
      • P(d);OGATE,XS(B)::R(C)
      • S(k);N_GUARD::B(F)
      • P(g);N_GUARD::S(B)
      • P(h);N_GUARD::S(B)
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