MESON Chess Problem Database

Problem Display
PID: 182465 (4nK2/4NP2/1B2R3/2r1P1N1/r2q3Q/b1P1kB1P/4Pp2/1b1R4 w - - 0 1)

Vukcevich, Milan Radoje

The Problemist, 1980

4nK2/4NP2/1B2R3/2r1P1N1/r2q3Q/b1P1kB1P/4Pp2/1b1R4

#2

13 + 8

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc3
      • 2.Sd5#
    • 1...Qxe5
      • 2.Sd5#
    • 1...Qb4
      • 2.Sd5#
    • 1...Qf4
      • 2.Sd5#
    • 1...Qg4
      • 2.Sd5#
    • 1...Qxh4
      • 2.Sd5#
    • 1...Qd5
      • 2.Sxd5#
    • 1...Raa5
      • 2.Qxd4#
    • 1...Ra6
      • 2.Qxd4#
    • 1...Ra7
      • 2.Qxd4#
    • 1...Ra8
      • 2.Qxd4#
    • 1...Ba2
      • 2.Sf5#
    • 1...Bf5
      • 2.Sxf5#
    • 1...Bb4
      • 2.Qxd4#
  • Tries
    • 1.Qf4+?
      • 1...Qxf4
        • 2.Sd5#
      • 1...Kxf4!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Se4#
      • 1...Kf4
        • 2.Se4#
      • 1...Qxe5
        • 2.Sd5#
      • 1...Rxe5
        • 2.Sh7#
      • 1...Qe4
        • 2.Sxe4#
      • 1...Qf4
        • 2.Sd5#
      • 1...Qg4
        • 2.Sd5#
      • 1...Qh4
        • 2.Sd5#
      • 1...Be4
        • 2.Sxe4#
        • 2.Sh7#

Anticipated by 699(1937)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(f);N_GUARD,P_SPINR(g),XP(C)::S(K)
    • Q(f);N_GUARD,P_SPINQ(f),P_SPINR(g),XP(G)::S(K)
    • Q(f);N_GUARD,P_SPINR(g)::S(K)
    • Q(f);N_GUARD,P_PINP(L),P_SPINR(g)::S(K)
    • Q(f);N_GUARD,P_SPINR(g),XQ(F)::S(K)
    • Q(f);N_GUARD,P_SPINR(g)::S(K),XQ(f)
    • R(e);N_GUARD::QAB1(F),XQ(f)
    • B(a);N_GUARD::S(K)
    • B(a);N_GUARD::S(K),XB(a)
    • B(c);S_CUTR(e)::QAB1(F),XQ(f)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • Q(f);P_PINP(L),P_SPINR(g),XQ(F)::S(K)
      • Refutation
        • K(d);S_FLIGHT,XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)+S(H)
    • Vars
      • K(d);S_FLIGHT::QAB(F)+S(H)
      • Q(f);N_GUARD,P_SPINQ(f),P_SPINR(g),XP(G)::S(K)
      • R(g);P_PINS(K),P_SPINQ(f),P_SPINR(g),XP(G)::QAB(F)+S(H)
      • Q(f);P_SPINR(g)::QAB(F)+S(H),XQ(f)
      • Q(f);N_GUARD,P_PINP(L),P_SPINR(g)::S(K)
      • Q(f);N_GUARD,P_SPINR(g)::S(K)
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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).