MESON Chess Problem Database

Problem Display
PID: 38282 (8/8/8/2p5/2R5/1kpK1N2/8/Q7 w - - 0 1)

Kraemer, Wilhelm

Funkschach, 1925

8/8/8/2p5/2R5/1kpK1N2/8/Q7

#2

4 + 3

2012 Miniature Chess Problems from Many Countries 1981

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Sd2#
  • Tries
    • 1.Ke2?
      • 1...Kc2
        • 2.Rxc3#
      • 1...c2
        • 2.Sd2#
      • 1...Kxc4!
    • 1.Ke3?
      • 1...Kc2
        • 2.Rxc3#
      • 1...c2
        • 2.Sd2#
      • 1...Kxc4!
    • 1.Rb4+?
      • 1...cxb4
        • 2.Sd4#
      • 1...Kxb4!
    • 1.Re4?
      • 1...c2
        • 2.Sd2#
      • 1...c4+!
    • 1.Rf4?
      • 1...c2
        • 2.Sd2#
      • 1...c4+!
    • 1.Rg4?
      • 1...c2
        • 2.Sd2#
      • 1...c4+!
    • 1.Rh4?
      • 1...c2
        • 2.Sd2#
      • 1...c4+!
  • Keys
    • 1.Ke4!
      • 1...Kc2
        • 2.Rxc3#
      • 1...Kxc4
        • 2.Qa4#
      • 1...c2
        • 2.Sd2#

FEATURES

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