MESON Chess Problem Database

Problem Display
PID: 11234 (8/8/1K1B4/8/k3N3/2R5/2n5/n7 w - - 0 1)

Mott-Smith, Geoffrey

The Chess Review, 1937

8/8/1K1B4/8/k3N3/2R5/2n5/n7

#2

4 + 3

2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
145 StrateGems 2006
5454 Near Snap 2008
3713 Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Ra3#
    • 1...Sa3
      • 2.Rxa3#
    • 1...Se3
      • 2.Ra3#
    • 1...Sb4
      • 2.Sc5#
    • 1...Sd4
      • 2.Ra3#
  • Tries
    • 1.Be7?
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Se3
        • 2.Ra3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Sb3!
    • 1.Bf8?
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Se3
        • 2.Ra3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Sb3!
    • 1.Rb3?
      • threat
        • 2.Sc5#
      • 1...Sxb3
        • 2.Sc3#
      • 1...Kxb3!
    • 1.Re3?
      • 1...Sb3
        • 2.Sc3#
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Sxe3!
    • 1.Rf3?
      • 1...Sb3
        • 2.Sc3#
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Se3!
    • 1.Rg3?
      • 1...Sb3
        • 2.Sc3#
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Se3!
    • 1.Rh3?
      • 1...Sb3
        • 2.Sc3#
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#
      • 1...Se3!
  • Keys
    • 1.Rd3!
      • 1...Sb3
        • 2.Sc3#
      • 1...Se1
        • 2.Ra3#
      • 1...Sa3
        • 2.Rxa3#
      • 1...Se3
        • 2.Ra3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sd4
        • 2.Ra3#

This anticipates 96981(1949), 184(1950), 87540(1982), 74728(1990)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::R1(A)
    • S(b);N_GUARD::R1(A),XS(b)
    • S(b);SBLOCK::S(B)
  • Tries
    • Try
      • B(D);
      • Vars
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(a);
    • Try
      • B(D);
      • Vars
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Threat
        • S(B)
      • Vars
        • S(a);SBLOCK,XR(A)::S(B)
      • Refutation
        • K(c);S_FLIGHT,XR(A)
    • Try
      • R(A);
      • Vars
        • S(a);SBLOCK::S(B)
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(b);XR(A)
    • Try
      • R(A);
      • Vars
        • S(a);SBLOCK::S(B)
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(b);
    • Try
      • R(A);
      • Vars
        • S(a);SBLOCK::S(B)
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(b);
    • Try
      • R(A);
      • Vars
        • S(a);SBLOCK::S(B)
        • S(b);N_GUARD::R1(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(b);
  • Actual
    • R(A);
    • Vars
      • S(a);SBLOCK::S(B)
      • S(b);N_GUARD::R1(A)
      • S(b);N_GUARD::R1(A),XS(b)
      • S(b);SBLOCK::S(B)
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