MESON Chess Problem Database

Problem Display
PID: 92664 (4R1Nb/1N1p1p2/4q3/4k2p/2R5/7Q/K7/8 w - - 0 1)

Weenink, Henri Gerard Maria

Tijdschrift vd NSB, 1929

4R1Nb/1N1p1p2/4q3/4k2p/2R5/7Q/K7/8

#2

6 + 6

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4?
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Rc5#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#
      • 1...hxg4!
    • 1.Qh2+?
      • 1...Kf5
        • 2.Qxh5#
      • 1...Kd5!
    • 1.Qd3?
      • threat
        • 2.Qe4#
      • 1...f5
        • 2.Qd4#
        • 2.Qd6#
      • 1...d5!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Rc5#
        • 2.Qc5#
      • 1...Kf5!
    • 1.Qf3?
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Qf4#
      • 1...f5!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Rc5#
      • 1...Kf5
        • 2.Qxh5#
      • 1...d5
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);N_PINR(C),N_SPINQ(c),P-FLIGHT::R1(C)
        • P(d);N_PINR(C),SBLOCK::QAB1(B)
        • P(e);SBLOCK::QAB1(B)
      • Refutation
        • P(b);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINQ(c),P-FLIGHT::QAR2(B),XP(b)
      • Refutation
        • K(a);N_PINR(C),N_SPINQ(c),P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Refutation
        • P(d);N_PINR(C)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);N_SPINQ(c),P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(d);N_PINR(C),SBLOCK::QAB1(B)
      • Refutation
        • P(e);
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);N_PINR(C),N_SPINQ(c),P-FLIGHT::R1(C)
      • K(a);N_SPINQ(c),P-FLIGHT::QAR2(B),XP(b)
      • P(d);N_PINR(C),SBLOCK::QAB1(B)
      • P(e);SBLOCK::QAB1(B)
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Developed and maintained by Brian Stephenson.
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