MESON Chess Problem Database

Problem Display
PID: 155167 (2K2b2/6p1/8/4kp1n/3Rp1R1/1B3bP1/1P6/2Q5 w - - 0 1)

Kaiser, Julius Adam

4th Prize, Yenowine News, 1888

(First published on Sat Jan 7 1888)

2K2b2/6p1/8/4kp1n/3Rp1R1/1B3bP1/1P6/2Q5

#2

7 + 7

14907 Good Companion Chess Problem Club 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qc3#
  • Tries
    • 1.Qc7+?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Kf6!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Qc5#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Bxd6
        • 2.Qc3#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sf6
        • 2.Qf4#
      • 1...e3
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,P_SPINP(b),S_FLIGHT,XR(E)::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATEB,P_SPINP(b),S_FLIGHT,XR(E)::QAB1(A)
        • B(g);N_GUARD,P_SPINB(g)::QAB1(A),XB(g)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(E);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
      • B(g);SBLOCK,XR(E)::QAB(A)
      • S(e);N_GUARD::QAB1(A),XS(e)
      • S(e);N_GUARD::QAB1(A)
      • P(b);::R1(E)
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