MESON Chess Problem Database

Problem Display
PID: 242254 (1B3b2/2r1p3/2p1p2p/2K2p2/4kp2/3N1Rp1/B3p3/6Qb w - - 0 1)

Kisis, Imants J

64 Shakhmatnoe obozrenie, 1980

1B3b2/2r1p3/2p1p2p/2K2p2/4kp2/3N1Rp1/B3p3/6Qb

#2

6 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf3
      • 2.Qd4#
  • Tries
    • 1.Se1?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Rd7
        • 2.Rxf4#
      • 1...e5
        • 2.Bb1#
      • 1...Bg7!
    • 1.Se5?
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Rd7!
  • Keys
    • 1.Bb1!
      • threat
        • 2.Rxf4#
      • 1...Kxf3
        • 2.Se5#
      • 1...Bxf3
        • 2.Qd4#
      • 1...e5
        • 2.Se1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XR(D)::QAR1(A)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT,P_SPINR(j)::QAB1(A)
        • R(j);::R1(D),XP(e)
        • P(h);SBLOCK::B(B)
      • Refutation
        • B(l);
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT,P_SPINR(j),XS(C)::QAB1(A)
      • Refutation
        • R(j);
  • Actual
    • B(B);
    • Threat
      • R1(D),XP(e)
    • Vars
      • K(d);S_FLIGHT,XR(D)::S(C)
      • B(a);SBLOCK,XR(D)::QAR1(A)
      • P(h);SBLOCK::B(B)+S(C)
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