MESON Chess Problem Database

Problem Display
PID: 233532 (5nB1/2p3R1/8/1N2Pk2/2R4P/4p1Bn/3P2p1/K3Qbq1 w - - 0 1)

Supp, Walter

Freie Presse, 1998

5nB1/2p3R1/8/1N2Pk2/2R4P/4p1Bn/3P2p1/K3Qbq1

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Rg5#
    • 1...Sf4
      • 2.Rg5#
    • 1...Sg5
      • 2.Rxg5#
    • 1...Se6
      • 2.Bh7#
    • 1...exd2
      • 2.Qe4#
    • 1...e2
      • 2.Qb1#
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Sd6#
  • Tries
    • 1.Rf4+?
      • 1...Kxe5
        • 2.d4#
      • 1...Sxf4!
    • 1.Rf7+?
      • 1...Ke6
        • 2.Sxc7#
      • 1...Kg6!
    • 1.Qe2?
      • threat
        • 2.Qg4#
      • 1...Sf4
        • 2.Rg5#
      • 1...Sf2
        • 2.Rg5#
        • 2.Qf3#
        • 2.Qh5#
      • 1...Bxe2+!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sd4#
      • 1...exd2
        • 2.Qe4#
      • 1...Sf4
        • 2.Rg5#
      • 1...Sg5
        • 2.Rxg5#
      • 1...Se6
        • 2.Be4#
      • 1...Sg6
        • 2.Rf7#
      • 1...e2
        • 2.Qb1#
      • 1...c5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(e);N_GUARD::R1(I)
    • S(e);N_GUARD::R1(I),XS(e)
    • S(h);N_GUARD,SBLOCK::B(J)
    • P(d);OGATE,XP(C)::QAB1(B)
    • P(d);S_CUTB(a)::QAB(B)
    • P(g);N_GUARD::S(G)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINP(d),XP(H)::P(C)
      • Refutation
        • S(e);XR(E)
    • Try
      • R(I);CHECK
      • Vars
        • K(f);S_FLIGHT::S(G),XP(g)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • S(e);N_GUARD::R1(I)
      • Refutation
        • B(a);CHECK,XQ(B)
  • Actual
    • B(J);
    • Threat
      • S(G)
    • Vars
      • P(d);OGATE,XP(C)::QAB1(B)
      • S(e);N_GUARD::R1(I)
      • S(e);N_GUARD::R1(I),XS(e)
      • S(h);SBLOCK::B(J)
      • S(h);SBLOCK::R(I)
      • P(d);S_CUTB(a)::QAB(B)
      • P(g);N_GUARD::S(G)
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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).