MESON Chess Problem Database

Problem Display
PID: 54241 (6Q1/8/8/2p4r/2N1k2P/2P4N/5R2/7K w - - 0 1)

Meiners, Willem Barend Hendrik

Source?, 0000

6Q1/8/8/2p4r/2N1k2P/2P4N/5R2/7K

#2

7 + 3

58 Tijdschrift vd NSB 1895
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6+?
      • 1...Kd3
        • 2.Qg3#
      • 1...Ke3
        • 2.Qg3#
      • 1...Ke5!
    • 1.Re2+?
      • 1...Kf3
        • 2.Re3#
        • 2.Qg2#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Qf7?
      • threat
        • 2.Qf3#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Kd3!
    • 1.Qg6+?
      • 1...Rf5
        • 2.Qxf5#
      • 1...Kd5!
  • Keys
    • 1.Rf3!
      • 1...Kxf3
        • 2.Qg2#
      • 1...Rxh4
        • 2.Qa8#
      • 1...Rd5
        • 2.Qg4#
      • 1...Re5
        • 2.Sd2#
      • 1...Rf5
        • 2.Re3#
      • 1...Rg5
        • 2.Sxg5#
      • 1...Rh6
        • 2.Sg5#
      • 1...Rh7
        • 2.Sg5#
      • 1...Rh8
        • 2.Sg5#

This anticipates 175567(1900)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(G)
        • K(a);P-FLIGHT::QAR2(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • R(c);N_GUARD::QAB1(G),XR(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(G),XR(c)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(B)::QAB1(G)
      • R(c);N_GUARD,P_PINS(D),XP(F)::QAB(G)
      • R(c);SBLOCK::QAR2(G)
      • R(c);SBLOCK::S(E)
      • R(c);SBLOCK::R1(B)
      • R(c);N_GUARD::S(D),XR(c)
      • R(c);N_GUARD::S(D)
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