MESON Chess Problem Database

Problem Display
PID: 200579 (Qb5q/6nr/6N1/3p3r/2P1k3/2pR1Rp1/3P4/4KN1b w - - 0 1)

Goldschmeding, Cornelis

The Problemist, 1983

Qb5q/6nr/6N1/3p3r/2P1k3/2pR1Rp1/3P4/4KN1b

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.Qxd5#
    • 1...Rh3
      • 2.Qxd5#
    • 1...Rh4
      • 2.Qxd5#
    • 1...Re5
      • 2.Sxg3#
    • 1...Rf5
      • 2.Rfe3#
    • 1...R5h6
      • 2.Qxd5#
    • 1...Be5
      • 2.Qxd5#
    • 1...Ba7
      • 2.Sxg3#
    • 1...Sf5
      • 2.Qxd5#
    • 1...cxd2+
      • 2.Sxd2#
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Re3#
      • 1...cxd2+
        • 2.Sxd2#
      • 1...Kxf3
        • 2.Rg5#
      • 1...Rxd5
        • 2.Qxd5#
      • 1...Bxf3
        • 2.d3#
      • 1...Re5
        • 2.Rf4#
      • 1...Bf4
        • 2.Rxf4#
      • 1...Be5
        • 2.Rd8#
      • 1...Ba7
        • 2.Rf4#
      • 1...Sf5
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(f);N_GUARD::QAB1(H),XP(e)
    • R(f);S_CUTB(i)::S(B),XP(c)
    • R(f);SBLOCK::R1(E)
    • B(i);S_CUTR(f)::QAB1(H),XP(e)
    • B(i);N_GUARD::S(B),XP(c)
    • S(g);S_CUTR(f)::QAB1(H),XP(e)
    • P(b);CHECK,XP(C)::S(B),XP(b)
  • Actual
    • R(D);XP(e)
    • Threat
      • R1(E)
    • Vars
      • P(b);CHECK,XP(C)::S(B),XP(b)
      • K(d);S_FLIGHT,XR(E)::QAB(H)+R(D)
      • R(f);OGATE,P_SPINR(f),XR(D)::QAB1(H),XR(f)
      • B(a);SBLOCK,XR(E)::P(C)
      • R(f);S_CUTB(i)::R1(E)
      • B(i);N_GUARD::R1(E),XB(i)
      • B(i);S_CUTR(f)::QAB(H)+R(D)
      • B(i);N_GUARD::R1(E)
      • S(g);S_CUTR(f)::QAB(H)+R(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).