MESON Chess Problem Database

Problem Display
PID: 118329 (1R1R1bb1/8/3B4/B7/1p1rp3/1k1pN3/6K1/Q7 w - - 0 1)

Rawlings, William H

La Presse, 1935

1R1R1bb1/8/3B4/B7/1p1rp3/1k1pN3/6K1/Q7

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxb4#
    • 1...Rxd6
      • 2.Rxb4#
    • 1...Bc4
      • 2.Rxb4#
  • Tries
    • 1.Rdc8?
      • threat
        • 2.Rc3#
      • 1...Bc4
        • 2.Rxb4#
      • 1...Rc4!
    • 1.Qa2+?
      • 1...Kc3
        • 2.Sd1#
      • 1...Kxa2!
  • Keys
    • 1.Baxb4!
      • threat
        • 2.Qa3#
      • 1...Rxb4
        • 2.Rxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(d);N_GUARD::R1(F),XP(c)
    • R(d);N_GUARD,XB(E)::R1(F),XP(c)
    • B(g);S_CUTR(d)::R1(F),XP(c)
  • Tries
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • B(g);S_CUTR(d)::R1(F),XP(c)
      • Refutation
        • R(d);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT,XQ(A)
  • Actual
    • B(D);XP(c)
    • Threat
      • QAR1(A)
    • Vars
      • R(d);OGATE,P_SPINR(d),XB(D)::R1(F),XR(d)
HTML5 logo

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).