MESON Chess Problem Database

Problem Display
PID: 202614 (8/5p2/7R/rB4BK/3Pk2P/1P1p1N1r/3PpR1p/7Q w - - 0 1)

ten Cate, Pieter

Brisbane Courier, 1923

8/5p2/7R/rB4BK/3Pk2P/1P1p1N1r/3PpR1p/7Q

#2

11 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bc6#
    • 1...Kf5
      • 2.Bxd3#
  • Tries
    • 1.Bxd3+?
      • 1...Kxd3
        • 2.Qb1#
      • 1...Kd5!
    • 1.Bc6+?
      • 1...Kf5
        • 2.Rf6#
      • 1...Rd5!
    • 1.Rxe2+?
      • 1...Kd5
        • 2.Bc4#
        • 2.Bc6#
        • 2.Re5#
      • 1...Kf5
        • 2.Bxd3#
        • 2.Bd7#
        • 2.Re5#
        • 2.Rf6#
      • 1...dxe2!
    • 1.Re6+?
      • 1...Kd5
        • 2.Bc4#
      • 1...Kf5
        • 2.Re5#
      • 1...fxe6!
  • Keys
    • 1.Be3!
      • threat
        • 2.Sg5#
      • 1...Rxh4+
        • 2.Sxh4#
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bxd3#
      • 1...Rxf3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(H)
    • K(e);S_FLIGHT::B(H),XP(c)
  • Tries
    • Try
      • B(H);CHECK,P_SPINB(I),XP(c)
      • Vars
        • K(e);S_FLIGHT,XB(H)::QAB(A)
      • Refutation
        • K(e);N_PINB(I),S_FLIGHT
    • Try
      • B(H);CHECK,P_SPINB(I)
      • Vars
        • K(e);N_PINB(I),S_FLIGHT::R1(K)
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • R(C);CHECK,XP(a)
      • Refutation
        • P(c);XR(C)
    • Try
      • R(K);CHECK
      • Vars
        • K(e);S_FLIGHT::B(H)
        • K(e);S_FLIGHT::R1(K)
      • Refutation
        • P(g);XR(K)
  • Actual
    • B(I);P_SPINB(H)
    • Threat
      • QAB(A)+S(E),DCHECK
    • Vars
      • R(d);CHECK,XP(G)::QAB(A)+S(E),XR(d)
      • K(e);N_PINB(H),S_FLIGHT::B(H)
      • K(e);N_PINB(H),S_FLIGHT::B(H),XP(c)
      • R(d);N_PINP(G),OGATE,P_SPINR(d),XS(E)::QAB1(A),XR(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).