MESON Chess Problem Database

Problem Display
PID: 121399 (8/2K2b2/8/2p1kNB1/2pN4/2pp4/8/7Q w - - 0 1)

Palkoska, Emil

I Uppnami, 1901

8/2K2b2/8/2p1kNB1/2pN4/2pp4/8/7Q

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6+?
      • 1...Ke6
        • 2.Sg7#
        • 2.Qe4#
      • 1...Kxf5!
    • 1.Sg3?
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Bd5
        • 2.Qh8#
      • 1...Bg6!
    • 1.Sd6?
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Bd5
        • 2.Qh8#
      • 1...Bg6!
    • 1.Bf6+?
      • 1...Kf4
        • 2.Qf3#
        • 2.Qh4#
      • 1...Kxf6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sec6#
      • 1...Kxd4
        • 2.Sc6#
      • 1...cxd4
        • 2.Qe1#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Be8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(e);P-FLIGHT,XS(C)
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);S_FLIGHT,XS(B)::QAR1(A)
        • B(f);SBLOCK::QAB(A)
      • Refutation
        • B(f);
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);S_FLIGHT,XS(B)::QAR1(A)
        • B(f);SBLOCK::QAB(A)
      • Refutation
        • B(f);
    • Try
      • B(D);CHECK
      • Refutation
        • K(e);S_FLIGHT,XB(D)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT,XS(B)::S(C)
      • P(d);SBLOCK,XS(B)::QAR(A)
      • B(f);N_GUARD::QAR1(A),XB(f)
      • B(f);N_GUARD::QAR1(A)
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