MESON Chess Problem Database

Problem Display
PID: 22125 (2Q5/8/8/1R1nk3/6pB/3P4/4K3/8 w - - 0 1)

Weenink, Henri Gerard Maria

Simple Two-move Themes, 1924

2Q5/8/8/1R1nk3/6pB/3P4/4K3/8

#2

5 + 3

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

SOLUTION

  • SOUND
  • Tries
    • 1.Bg3+?
      • 1...Kd4
        • 2.Qc4#
        • 2.Qc5#
      • 1...Kf6!
    • 1.Rxd5+?
      • 1...Kf4
        • 2.Rf5#
        • 2.Qf5#
        • 2.Qc1#
        • 2.Qc4#
        • 2.Qc7#
        • 2.Qb8#
        • 2.Qf8#
      • 1...Kxd5!
    • 1.Qc6?
      • threat
        • 2.Qf6#
      • 1...Kd4
        • 2.Rxd5#
      • 1...Kf5
        • 2.Qf6#
      • 1...Kf4!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qf6#
      • 1...Kd4
        • 2.Bf6#
      • 1...Kf4
        • 2.Qg5#
      • 1...Kf5
        • 2.Qf6#
      • 1...Ke6
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(c);N_SPINS(b),S_FLIGHT
    • Try
      • R(D);CHECK,XS(b)
      • Refutation
        • K(c);P-FLIGHT,XR(D)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(c);N_SPINS(b),S_FLIGHT::R1(D),XS(b)
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);N_SPINS(b),S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(c);S_FLIGHT::B(C)
      • K(c);N_SPINS(b),S_FLIGHT::QAB1(E)
      • K(c);P-FLIGHT::QAR1(E)
      • K(c);N_SPINS(b),P-FLIGHT::QAB1(E),XS(b)
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