MESON Chess Problem Database

Problem Display
PID: 176062 (4Q3/5P2/p2PPp2/P1R3p1/2K2kp1/1R3P2/8/4B3 w - - 0 1)

Renner, Kurt

Schach-Echo, 1937

4Q3/5P2/p2PPp2/P1R3p1/2K2kp1/1R3P2/8/4B3

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.Bd2#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qe4#
      • 1...gxf3
        • 2.Qxf3#
      • 1...f5!
    • 1.Qa8?
      • threat
        • 2.Qe4#
      • 1...gxf3
        • 2.Qxf3#
      • 1...f5!
    • 1.Qh8?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Qd4#
        • 2.Qe5#
      • 1...gxf3!
    • 1.f8Q?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...gxf3!
    • 1.f8R?
      • threat
        • 2.Rxf6#
      • 1...f5
        • 2.Rcxf5#
        • 2.Rfxf5#
      • 1...gxf3!
  • Keys
    • 1.Qa4!
      • 1...gxf3
        • 2.Kd3#
      • 1...f5
        • 2.Kd5#
      • 1...g3
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(A)
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAR1(J)
      • Vars
        • P(b);OGATE,XP(C)::QAR1(J),XP(b)
      • Refutation
        • P(e);
    • Try
      • Q(J);
      • Threat
        • QAR1(J)
      • Vars
        • P(b);OGATE,XP(C)::QAR1(J),XP(b)
      • Refutation
        • P(e);
    • Try
      • Q(J);
      • Threat
        • QAR2(J),XP(e)
      • Refutation
        • P(b);XP(C)
    • Try
      • P(I);P_PINP(e)
      • Threat
        • QAR2(I),XP(e)
      • Refutation
        • P(b);XP(C)
    • Try
      • P(I);P_PINP(e)
      • Threat
        • R(I),XP(e)
      • Refutation
        • P(b);XP(C)
  • Actual
    • Q(J);
    • Vars
      • P(b);SBLOCK,XP(C)::QAR(J)+K(D)
      • P(e);SBLOCK::QAR(J)+K(D)
      • P(b);SBLOCK::B(A)
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