MESON Chess Problem Database

Problem Display
PID: 195129 (8/2Np4/3Pp3/p3K3/k7/rb1P4/2Q5/1R6 w - - 0 1)

Kintzig, Robert

Magyar Sakkvilag, 1918

8/2Np4/3Pp3/p3K3/k7/rb1P4/2Q5/1R6

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qc4#
    • 1...Ra1
      • 2.Qxb3#
    • 1...Ra2
      • 2.Qxb3#
  • Tries
    • 1.Sd5?
      • 1...Kb5
        • 2.Qc4#
      • 1...Bxc2
        • 2.Sb6#
      • 1...Ra1
        • 2.Qxb3#
      • 1...Ra2
        • 2.Qxb3#
      • 1...exd5!
    • 1.Sa6?
      • 1...Bxc2
        • 2.Sc5#
      • 1...Ra1
        • 2.Qxb3#
      • 1...Ra2
        • 2.Qxb3#
      • 1...Kb5!
    • 1.Rb2?
      • 1...Kb4
        • 2.Qc4#
      • 1...Ra1
        • 2.Qxb3#
      • 1...Ra2
        • 2.Qxb3#
      • 1...Bxc2!
    • 1.Qb2?
      • 1...Kb4
        • 2.Qd4#
      • 1...Ra1
        • 2.Qxb3#
      • 1...Ra2
        • 2.Qxb3#
      • 1...Bd1
        • 2.Qd4#
        • 2.Qb5#
      • 1...Ba2
        • 2.Qb5#
      • 1...Bc2
        • 2.Qd4#
        • 2.Qb5#
      • 1...Bd5
        • 2.Qb5#
      • 1...Bc4!
    • 1.Qc6+?
      • 1...Kb4
        • 2.Sa6#
        • 2.Qc4#
      • 1...dxc6!
  • Keys
    • 1.Sa8!
      • 1...Kb4
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4#
      • 1...Bxc2
        • 2.Sb6#
      • 1...Ra1
        • 2.Qxb3#
      • 1...Ra2
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(B)
    • R(a);N_GUARD::QAB1(B),XB(b)
  • Tries
    • Try
      • S(F);
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
        • B(b);N_SPINB(b),XQ(B)::S(F)
        • R(a);N_GUARD::QAB1(B),XB(b)
      • Refutation
        • P(e);XS(F)
    • Try
      • S(F);
      • Vars
        • B(b);N_SPINB(b),XQ(B)::S(F)
        • R(a);N_GUARD::QAB1(B),XB(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
        • R(a);N_GUARD::QAB1(B),XB(b)
      • Refutation
        • B(b);N_SPINB(b),XQ(B)
    • Try
      • Q(B);N_PINB(b)
      • Vars
        • K(c);P-FLIGHT,P_SPINB(b)::QAR2(B)
        • R(a);N_GUARD::QAB1(B),XB(b)
        • B(b);OGATE::QAB1(B)
      • Refutation
        • B(b);
    • Try
      • Q(B);CHECK,N_PINB(b)
      • Refutation
        • P(f);XQ(B)
  • Actual
    • S(F);
    • Vars
      • K(c);P-FLIGHT::QAR1(B)
      • K(c);S_FLIGHT::QAB1(B)
      • B(b);N_SPINB(b),XQ(B)::S(F)
      • R(a);N_GUARD::QAB1(B),XB(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).