MESON Chess Problem Database

Problem Display
PID: 203619 (8/8/5Q2/6p1/2K1k2r/8/4pPP1/8 w - - 0 1)

Rastoropov, I

64 Shakhmatnoe obozrenie, 1924

8/8/5Q2/6p1/2K1k2r/8/4pPP1/8

#2

4 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qe6#
  • Keys
    • 1.f4!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qd4#
      • 1...Rxf4
        • 2.Qe6#
      • 1...gxf4
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::QAR2(D)
  • Actual
    • P(A);
    • Threat
      • QAR1(D)
    • Vars
      • K(b);P-FLIGHT,P_PINP(A)::QAB1(D)
      • R(c);SBLOCK,XP(A)::QAR2(D)
      • P(d);SBLOCK,XP(A)::QAR2(D)
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