MESON Chess Problem Database

Problem Display
PID: 184742 (8/1p6/1K4N1/5B2/3kp3/1Q6/8/8 w - - 0 1)

Simay-Molnar, Aladar

Schweizerische Schachzeitung, 1908

8/1p6/1K4N1/5B2/3kp3/1Q6/8/8

#2

4 + 3

6490 yacpdb 2018
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qd3#
  • Tries
    • 1.Kb5?
      • 1...e3
        • 2.Qc4#
        • 2.Qd3#
      • 1...b6!
    • 1.Sh4?
      • 1...e3
        • 2.Sf3#
      • 1...Ke5!
    • 1.Se5?
      • 1...e3
        • 2.Sf3#
      • 1...Kxe5!
    • 1.Qc2?
      • 1...Kd5
        • 2.Qc5#
      • 1...e3
        • 2.Qd3#
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qa3?
      • 1...Kd5
        • 2.Qc5#
      • 1...e3
        • 2.Qc5#
        • 2.Qd3#
      • 1...Kc4!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kxc3!
  • Keys
    • 1.Be6!
      • 1...e3
        • 2.Qc4#

This anticipates 205557(1925)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAR1(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • P(c);
    • Try
      • S(D);
      • Vars
        • P(b);N_GUARD::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);N_GUARD::S(D)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • B(B);
    • Vars
      • P(b);SBLOCK::QAR1(A)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).