MESON Chess Problem Database

Problem Display
PID: 6035 (8/8/5K2/8/4R3/5kN1/6R1/3n3B w - - 0 1)

Klemensiewicz, Josef

La Strategie, 1926

8/8/5K2/8/4R3/5kN1/6R1/3n3B

#2

5 + 2

2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
3713 Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf1?
      • threat
        • 2.Sd2#
        • 2.Ra2#
        • 2.Rb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Rge2#
        • 2.Rh2#
      • 1...Sb2
        • 2.Sd2#
        • 2.Rxb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Rge2#
        • 2.Rh2#
      • 1...Sf2
        • 2.Sd2#
        • 2.Rg3#
      • 1...Se3
        • 2.Sd2#
      • 1...Kxe4!
    • 1.Sh5?
      • threat
        • 2.Ra2#
        • 2.Rb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Rge2#
        • 2.Rh2#
      • 1...Sb2
        • 2.Rxb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Rge2#
        • 2.Rh2#
      • 1...Sf2
        • 2.Rg3#
      • 1...Se3
        • 2.Rf4#
      • 1...Kxe4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Rh2#
      • 1...Kxe4
        • 2.Rg3#
      • 1...Sf2
        • 2.Rg3#
      • 1...Se3
        • 2.Rf4#

This anticipates 102146(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(7)
      • Vars
        • S(a);::S(C)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • S(C);
      • Threat
        • DUALS(6)
      • Vars
        • S(a);SBLOCK::B(A)+R(B),DCHECK
        • S(a);SBLOCK::R1(D)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
  • Actual
    • S(C);
    • Threat
      • B(A)+R(B)
    • Vars
      • K(b);S_FLIGHT,XR(D)::B(A)+R(B)
      • S(a);SBLOCK::B(A)+R(B),DCHECK
      • S(a);SBLOCK::R1(D)
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