MESON Chess Problem Database

Problem Display
PID: 242230 (bB6/2n5/p6p/4Q3/3Rp3/4kp2/8/5K2 w - - 0 1)

Kisis, Imants J

Freie Presse, 1972

bB6/2n5/p6p/4Q3/3Rp3/4kp2/8/5K2

#2

4 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Qxe4#
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qd2#
      • 1...f2
        • 2.Qxf2#
      • 1...Kxd4!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Ba7#
      • 1...f2
        • 2.Qg3#
      • 1...Sb5
        • 2.Qf4#
      • 1...Sd5
        • 2.Qd4#
      • 1...Se6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);S_CUTB(g)::QAR1(C),XP(c)
  • Tries
    • Try
      • Q(C);N_PINP(c)
      • Threat
        • QAB1(C)
      • Vars
        • P(b);::QAB1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • R(B);
    • Threat
      • B(D)
    • Vars
      • P(b);OGATEB::QAR2(C)
      • S(f);::QAB1(C)
      • S(f);::QAR2(C)
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