MESON Chess Problem Database

Problem Display
PID: 195917 (2Q4b/7B/3p4/n2k3p/1pp1N3/q1p1P3/3nK3/6R1 w - - 0 1)

Jordan, Gijsbertus

Haagsche Post, 1917

2Q4b/7B/3p4/n2k3p/1pp1N3/q1p1P3/3nK3/6R1

#2

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rg5#
      • 2.Qf5#
  • Tries
    • 1.Sf6+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Bxf6!
    • 1.Bg8+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxe4!
    • 1.Qg8+?
      • 1...Ke5
        • 2.Rg5#
      • 1...Kc6!
  • Keys
    • 1.Rg5+!
      • 1...Be5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(g);P-FLIGHT::QAR1(F)
      • Refutation
        • B(j);XS(D)
    • Try
      • B(E);CHECK
      • Vars
        • K(g);P-FLIGHT::QAR1(F)
      • Refutation
        • K(g);S_FLIGHT,XS(D)
    • Try
      • Q(F);CHECK
      • Vars
        • K(g);P-FLIGHT::R(A)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • R(A);CHECK
    • Vars
      • B(j);P_SPINB(j)::S(D)
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