MESON Chess Problem Database

Problem Display
PID: 243608 (8/8/2Q5/4k3/8/1Np2P2/2B2K2/8 w - - 0 1)

Bakay, Bela

Magyar Sakkvilag, 1931

8/8/2Q5/4k3/8/1Np2P2/2B2K2/8

#2

5 + 2

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf6#
  • Tries
    • 1.Sa1?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sc1?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Sd2?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4
        • 2.Qf6#
      • 1...cxd2!
    • 1.Sd4?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kxd4!
    • 1.Sc5?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd4!
    • 1.Bb1?
      • 1...Kf4
        • 2.Qf6#
      • 1...c2!
    • 1.Bd3?
      • 1...Kf4
        • 2.Qf6#
      • 1...c2!
    • 1.Be4?
      • 1...Kf4
        • 2.Qf6#
      • 1...c2!
    • 1.Bg6?
      • 1...Kf4
        • 2.Qf6#
      • 1...c2!
    • 1.Bh7?
      • 1...Kf4
        • 2.Qf6#
      • 1...c2!
    • 1.Qd7?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kf6!
    • 1.Qa6?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd5!
    • 1.Qb6?
      • 1...Kf4
        • 2.Qe3#
        • 2.Qf6#
      • 1...Kd5!
    • 1.Qe6+?
      • 1...Kf4
        • 2.Qf5#
        • 2.Qe3#
        • 2.Qf6#
      • 1...Kxe6!
    • 1.Qg6?
      • 1...Kf4
        • 2.Qf5#
        • 2.Qg3#
        • 2.Qf6#
      • 1...Kd5!
  • Keys
    • 1.Sa5!
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4
        • 2.Qf6#

This anticipates 15149(1980)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(E)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);XS(C)
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • P(a);
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT::QAR2(E)
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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).