MESON Chess Problem Database

Problem Display
PID: 182665 (2N4r/KQ2p2r/5k2/5BR1/2P5/p7/8/2B5 w - - 0 1)

Weenink, Henri Gerard Maria

Het Volk, 1918

(First published on Thu Nov 21 1918)

2N4r/KQ2p2r/5k2/5BR1/2P5/p7/8/2B5

#2

7 + 5

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Qxe7#
    • 1...Rh1
      • 2.Qxe7#
    • 1...Rh2
      • 2.Qxe7#
    • 1...Rh3
      • 2.Qxe7#
    • 1...Rh4
      • 2.Qxe7#
    • 1...Rh5
      • 2.Qxe7#
    • 1...Rh6
      • 2.Qxe7#
  • Tries
    • 1.Rg6+?
      • 1...Ke5
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kf7
        • 2.Qxe7#
      • 1...Kxf5!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Bh3#
        • 2.Bg4#
        • 2.Bd7#
      • 1...e5+
        • 2.Bd7#
      • 1...e6+
        • 2.Bxh7#
      • 1...Ke5
        • 2.Qc3#
      • 1...Kf7
        • 2.Bd7#
      • 1...Rh3
        • 2.Bxh3#
      • 1...Rh4
        • 2.Bg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • K(b);P-FLIGHT,P_SPINP(c)::QAR1(F),XP(c)
    • R(d);N_GUARD::QAB1(F),XP(c)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(c)::QAR1(F),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
  • Actual
    • Q(F);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);CHECK::QAR(F)+B(C)
      • P(c);CHECK,SBLOCK::QAR(F)+B(C),XR(d)
      • K(b);S_FLIGHT::QAB(F)
      • K(b);P-FLIGHT::QAR(F)+B(C)
      • R(d);::QAR(F)+B(C),XR(d)
      • R(d);::QAR(F)+B(C)
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