MESON Chess Problem Database

Problem Display
PID: 17854 (8/4p3/3pn3/3R3N/3pk2K/1Q3N2/8/5n2 w - - 0 1)

Kardos, Tivadar

3rd HM., Magyar Sakkelet, 1951

8/4p3/3pn3/3R3N/3pk2K/1Q3N2/8/5n2

#2

5 + 6

3174 The Two-move Chess Problem Tradition and Development 1966
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sh2
      • 2.Sd2#
    • 1...Se3
      • 2.Sd2#
    • 1...Sg3
      • 2.Sd2#
    • 1...Sf4
      • 2.Sg5#
    • 1...Sc5
      • 2.Sg5#
    • 1...Sg5
      • 2.Sxg5#
    • 1...Sc7
      • 2.Sg5#
    • 1...Sg7
      • 2.Sg5#
    • 1...Sd8
      • 2.Sg5#
    • 1...Sf8
      • 2.Sg5#
    • 1...d3
      • 2.Qxd3#
  • Tries
    • 1.Kh3?
      • 1...Sg5+
        • 2.Sxg5#
      • 1...Se3
        • 2.Sd2#
      • 1...d3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sh2
        • 2.Sd2#
      • 1...Sg3
        • 2.Sd2#
      • 1...Sc5
        • 2.Sg5#
      • 1...Sc7
        • 2.Sg5#
      • 1...Sg7
        • 2.Sg5#
      • 1...Sd8
        • 2.Sg5#
      • 1...Sf8
        • 2.Sg5#
      • 1...Sf4+!
    • 1.Sg3+?
      • 1...Kf4
        • 2.Rf5#
      • 1...Sxg3!
    • 1.Rxd4+?
      • 1...Kf5
        • 2.Qc2#
        • 2.Qb1#
        • 2.Qd3#
      • 1...Sxd4!
  • Keys
    • 1.Rf5!
      • 1...Kxf5
        • 2.Qd3#
      • 1...d3
        • 2.Qxe6#
      • 1...Sd2
        • 2.Sg3#
      • 1...Sh2
        • 2.Sg3#
      • 1...Se3
        • 2.Sg3#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sc5
        • 2.Rf4#
      • 1...Sg5
        • 2.Rf4#
      • 1...Sc7
        • 2.Rf4#
      • 1...Sg7
        • 2.Rf4#
      • 1...Sd8
        • 2.Rf4#
      • 1...Sf8
        • 2.Rf4#
      • 1...d5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 12
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD::S(B)
    • S(e);N_GUARD::S(B)
    • S(e);N_GUARD::S(B),XS(e)
    • P(b);::QAB1(A),XP(b)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • S(e);CHECK,N_GUARD::S(B),XS(e)
        • S(a);N_GUARD::S(B)
        • P(b);::QAB1(A),XP(b)
        • S(a);N_GUARD::S(B),XS(a)
        • S(e);N_GUARD::S(B)
      • Refutation
        • S(e);CHECK
    • Try
      • S(E);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(D)
      • Refutation
        • S(a);XS(E)
    • Try
      • R(D);CHECK,XP(b)
      • Refutation
        • S(e);XR(D)
  • Actual
    • R(D);
    • Vars
      • K(c);S_FLIGHT,XR(D)::QAB(A)
      • P(b);SBLOCK::QAR2(A),XS(e)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • S(e);N_GUARD::R1(D),XS(e)
      • S(e);N_GUARD::R1(D)
      • P(d);N_GUARD::R1(D)
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