MESON Chess Problem Database

Problem Display
PID: 105566 (8/B2pp2B/2rP2Q1/2q3pK/1N1k2p1/1P1Nr1p1/3P4/7b w - - 0 1)

Schneider, Vilmos

Szerkesztesi verseny, 1952

8/B2pp2B/2rP2Q1/2q3pK/1N1k2p1/1P1Nr1p1/3P4/7b

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Qe4#
    • 1...Ra6
      • 2.Bxc5#
    • 1...Rxd6
      • 2.Bxc5#
    • 1...Bd5
      • 2.Sc2#
  • Tries
    • 1.Qg7+?
      • 1...Re5
        • 2.Qxe5#
      • 1...e5!
  • Keys
    • 1.Qxg5!
      • threat
        • 2.Sc2#
      • 1...Qxa7
        • 2.Qxe3#
      • 1...Qb6
        • 2.Qxe3#
      • 1...Re4
        • 2.Qd5#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rb6
        • 2.Qxc5#
      • 1...Be4
        • 2.Qe5#
      • 1...e5
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD,S_CUTB(a)::QAR1(G)
    • R(h);N_GUARD::B(H),XQ(f)
    • R(h);N_GUARD,XP(F)::B(H),XQ(f)
    • B(a);SBLOCK::S(D)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAB1(G),XR(b)
      • Refutation
        • P(j);P_SPINP(j)
  • Actual
    • Q(G);P_SPINQ(G),XP(g)
    • Threat
      • S(D)
    • Vars
      • Q(f);N_PINQ(G),N_SPINQ(f),XB(H)::QAB1(G),XR(b)
      • Q(f);N_PINQ(G)::QAB1(G),XR(b)
      • R(b);S_CUTB(a)::QAR1(G)
      • R(b);N_GUARD::QAB1(G),XR(b)
      • R(h);N_GUARD,N_SPINQ(f)::QAB1(G),XQ(f)
      • B(a);S_CUTR(b)::QAB1(G)
      • P(j);N_PINQ(G)::QAB1(G),XR(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).