MESON Chess Problem Database

Problem Display
PID: 141874 (8/2p5/5N2/1P1R1K2/n1kp4/P4Q2/8/8 w - - 0 1)

Stockum, Richard

Nordische Rundschau, 1933

(First published on Tue Nov 7 1933)

8/2p5/5N2/1P1R1K2/n1kp4/P4Q2/8/8

#2

6 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qxd3#
  • Tries
    • 1.Rc5+?
      • 1...Kxc5
        • 2.Qc6#
      • 1...Sxc5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sd2#
      • 1...Kxd5
        • 2.Qb3#
      • 1...Sc5
        • 2.Rxc5#
      • 1...d3
        • 2.Qxd3#
      • 1...c5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);::QAB1(B),XP(c)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT,XR(D)::QAR1(B)
      • Refutation
        • S(a);XR(D)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(b);S_FLIGHT,XR(D)::QAB(B)
      • S(a);N_GUARD::R1(D),XS(a)
      • P(c);::QAB1(B),XP(c)
      • P(d);N_GUARD::S(F)
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