MESON Chess Problem Database

Problem Display
PID: 193635 (2b1Q3/2B1p2r/1KRN1P2/2P5/7p/2k5/PpNpP3/1B5R w - - 0 1)

Janet, Frank

Newark Call, 1915

2b1Q3/2B1p2r/1KRN1P2/2P5/7p/2k5/PpNpP3/1B5R

#2

12 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Rxh3#
    • 1...Bb7
      • 2.Rh3#
    • 1...exd6
      • 2.cxd6#
    • 1...exf6
      • 2.Qe3#
    • 1...e5
      • 2.Qxe5#
    • 1...e6
      • 2.Rh3#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Se4#
        • 2.Ba5#
      • 1...exd6
        • 2.Ba5#
        • 2.Qe3#
        • 2.cxd6#
      • 1...Bf5
        • 2.Ba5#
      • 1...Ba6+!
  • Keys
    • 1.Ka7!
      • threat
        • 2.Ba5#
      • 1...exd6
        • 2.cxd6#
      • 1...exf6
        • 2.Qe3#
      • 1...e5
        • 2.Qxe5#
      • 1...e6
        • 2.Rh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::R(B),XB(g)
    • B(g);N_GUARD::R(B)
    • P(e);OGATE,XS(I)::R(H)+P(F),XP(e)
    • P(e);OGATE,XP(J)::QAR2(L)
    • P(e);OGATE::QAB(L),XP(e)
    • P(e);S_CUTB(g)::R(B)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(g);::B(K)
      • Refutation
        • B(g);CHECK
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • B(K)
    • Vars
      • P(e);OGATE,P_PINB(K),XS(I)::R(H)+P(F),XP(e)
      • P(e);OGATE,P_PINB(K),XP(J)::QAR2(L)
      • P(e);OGATE,P_PINB(K)::QAB(L),XP(e)
      • P(e);P_PINB(K),S_CUTB(g)::R(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).