MESON Chess Problem Database

Problem Display
PID: 202546 (4Q3/8/3p4/2pp4/P2k4/1p1pR1P1/1P6/3K4 w - - 0 1)

Henke, Walter

Dresdner Anzeiger, 1923

4Q3/8/3p4/2pp4/P2k4/1p1pR1P1/1P6/3K4

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd3+?
      • 1...Kc4
        • 2.Qb5#
      • 1...Kxd3!
    • 1.Qb5?
      • threat
        • 2.Qxd3#
      • 1...d2
        • 2.Qd3#
      • 1...c4
        • 2.Qb6#
      • 1...Kxe3!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qc3#
      • 1...dxe5!
    • 1.Qh8+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe3!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kc4
        • 2.Re4#
      • 1...c4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • K(c);P-FLIGHT,XR(C)
    • Try
      • Q(F);
      • Threat
        • QAR1(F),XP(b)
      • Vars
        • P(b);::QAR1(F)
        • P(d);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(F)
      • Refutation
        • P(f);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(F)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(c);S_FLIGHT,XR(C)::QAB1(F)
      • K(c);P-FLIGHT,P_SPINP(e)::R(C)
      • P(d);OGATEB,SBLOCK::QAB(F)
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