MESON Chess Problem Database

Problem Display
PID: 9692 (6K1/8/5Q2/2pNR3/3k4/P7/2Pb4/5b2 w - - 0 1)

Munck, Laurits Andreas

Deutsches Wochenschach, 1908

(First published on Sun May 31 1908)

6K1/8/5Q2/2pNR3/3k4/P7/2Pb4/5b2

#2

6 + 4

15 British Chess Magazine 1910
3360 Simple Two-move Themes 1924
14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qf4#
    • 1...Bc3
      • 2.Qf4#
    • 1...Bb4
      • 2.Qf4#
    • 1...Bf4
      • 2.Qxf4#
    • 1...Ba5
      • 2.Qf4#
  • Tries
    • 1.Re4+?
      • 1...Kxd5
        • 2.Qe6#
      • 1...Kxe4!
    • 1.Rf5+?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc4!
    • 1.Qh4+?
      • 1...Bf4
        • 2.Qxf4#
      • 1...Kxe5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Re4#
      • 1...Bc4+
        • 2.Re6#
      • 1...Kxc3
        • 2.Rxc5#
      • 1...Kc4
        • 2.Re4#
      • 1...Bxc3
        • 2.Qf4#
      • 1...c4
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(b);N_GUARD::QAR2(E)
    • B(b);N_GUARD::QAR2(E),XB(b)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(C)::QAB1(E)
      • Refutation
        • K(c);P-FLIGHT,XR(D)
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::QAR2(E),XB(b)
      • Refutation
        • K(c);S_FLIGHT,XR(D)
  • Actual
    • S(C);
    • Threat
      • QAB(E)+R(D),DCHECK
    • Vars
      • B(a);CHECK,SBLOCK::QAB(E)+R(D)
      • K(c);S_FLIGHT,XS(C)::QAB(E)+R(D),DCHECK,XP(d)
      • K(c);P-FLIGHT::R(D)
      • B(b);N_GUARD,SBLOCK,XS(C)::QAR2(E)
      • P(d);SBLOCK,S_CUTB(a)::S(C)
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