MESON Chess Problem Database

Problem Display
PID: 184750 (3K4/2N5/2pp4/p1kn2Q1/2p5/P3R3/8/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Neue Schachzeitung, 1908

3K4/2N5/2pp4/p1kn2Q1/2p5/P3R3/8/8

#2

5 + 6

6490 yacpdb 2018
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Se6#
  • Keys
    • 1.Qg1!
      • threat
        • 2.Re5#
      • 1...Kd4
        • 2.Se6#
      • 1...Kb6
        • 2.Rb3#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...c3
        • 2.Rxc3#

This anticipates 196719(1919)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINS(d),S_FLIGHT::S(D)
  • Actual
    • Q(C);N_PINS(d)
    • Threat
      • QAB(C)+R(B)
    • Vars
      • K(c);S_FLIGHT::S(D)
      • K(c);S_FLIGHT::QAB(C)+R(B),DCHECK
      • S(d);OGATE,P_SPINS(d),XR(B)::QAB(C),XS(d)
      • P(a);::QAB(C)+R(B),DCHECK,XP(a)
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