MESON Chess Problem Database

Problem Display
PID: 229050 (1b6/8/3r1qbp/R4rP1/5RPk/4N3/5P1K/4B3 w - - 0 1)

Simkhovich, Froim Markovich

64 Shakhmatnoe obozrenie, 1926

1b6/8/3r1qbp/R4rP1/5RPk/4N3/5P1K/4B3

#2

8 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg5
      • 2.Sg2#
      • 2.f3#
    • 1...Rxf4
      • 2.f3#
    • 1...Rxg5
      • 2.Sg2#
      • 2.f3#
    • 1...hxg5
      • 2.Sg2#
      • 2.f3#
  • Keys
    • 1.Rd4!
      • threat
        • 2.f4#
      • 1...Rxf2+
        • 2.Sg2#
      • 1...Kxg5
        • 2.f4#
      • 1...Rf3
        • 2.Sg2#
      • 1...Rf4
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);XR(E)::B(A)+P(B)
  • Actual
    • R(E);
    • Threat
      • B(A)+P(B)
    • Vars
      • R(b);CHECK,P_SPINR(b),XP(B)::S(D)
      • K(a);P_SPINR(b),S_FLIGHT,XP(H)::P(B)
      • R(b);::S(D)
      • R(b);::B(A)+P(B)
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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).