MESON Chess Problem Database

Problem Display
PID: 182499 (b4K1k/4p3/3pP1P1/8/5p2/p7/3pr3/6Q1 w - - 0 1)

Weenink, Henri Gerard Maria

De Amsterdammer, 1918

(First published on Sat May 11 1918)

b4K1k/4p3/3pP1P1/8/5p2/p7/3pr3/6Q1

#2

4 + 8

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qh2#
    • 1...Rf2
      • 2.Qa1#
    • 1...Rg2
      • 2.Qd4#
      • 2.Qa1#
    • 1...Rh2
      • 2.Qxh2#
      • 2.Qd4#
      • 2.Qa1#
    • 1...Re4
      • 2.Qh2#
      • 2.Qh1#
    • 1...Rxe6
      • 2.Qh2#
    • 1...Be4
      • 2.Qd4#
      • 2.Qa1#
  • Tries
    • 1.Qh1+?
      • 1...Rh2
        • 2.Qa1#
        • 2.Qxh2#
      • 1...Bxh1!
    • 1.Qg5?
      • threat
        • 2.Qh4#
        • 2.Qh6#
        • 2.Qh5#
      • 1...Re5
        • 2.Qh6#
      • 1...Bf3
        • 2.Qh6#
      • 1...Rh2!
  • Keys
    • 1.Qb1!
      • threat
        • 2.g7#
      • 1...Rg2
        • 2.Qa1#
      • 1...Re4
        • 2.Qh1#
      • 1...Be4
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::QAR(A)
    • R(b);N_GUARD::QAB(A)
    • R(b);N_GUARD,XP(B)::QAR(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • B(g);XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • R(b);::QAR2(A)
        • B(g);::QAR2(A)
      • Refutation
        • R(b);
  • Actual
    • Q(A);
    • Threat
      • P(C)
    • Vars
      • R(b);N_GUARD::QAB(A)
      • R(b);N_GUARD,S_CUTB(g)::QAB(A)
      • B(g);S_CUTR(b)::QAB(A)
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