MESON Chess Problem Database

Problem Display
PID: 146674 (3Q4/8/q7/1pRBR1p1/1p1B1p2/1N1k1P1b/1P6/5NK1 w - - 0 1)

Kirillov, V?

Australian Chess Problem Magazine, 1993

3Q4/8/q7/1pRBR1p1/1p1B1p2/1N1k1P1b/1P6/5NK1

#2

10 + 7

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • threat
        • 2.Sc1#
      • 1...Bxf1
        • 2.Bf2#
      • 1...Qa1
        • 2.Bxb5#
      • 1...Bd7!
    • 1.Be6?
      • threat
        • 2.Sc1#
      • 1...Bxf1
        • 2.Bf5#
      • 1...Qa1
        • 2.Bf2#
      • 1...Qd6!
    • 1.Rc2?
      • threat
        • 2.Be4#
        • 2.Rd2#
      • 1...Qb7
        • 2.Rd2#
      • 1...Qc6
        • 2.Rd2#
      • 1...Qg6
        • 2.Rd2#
      • 1...Qa8
        • 2.Rd2#
      • 1...Bf5
        • 2.Rd2#
      • 1...Kxc2!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Sc1#
      • 1...Bxf1
        • 2.Bc6#
      • 1...Qa1
        • 2.Be6#

Anticipated by 68181(1990)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);
      • Threat
        • S(D)
      • Vars
        • B(b);N_GUARD,XS(A)::QAR(J)+B(F)
        • Q(g);N_GUARD,P_PINS(A)::B(H),XP(e)
      • Refutation
        • B(b);
    • Try
      • B(H);
      • Threat
        • S(D)
      • Vars
        • B(b);N_GUARD,XS(A)::B(H)
        • Q(g);N_GUARD,P_PINS(A)::QAR(J)+B(F)
      • Refutation
        • Q(g);
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::R1(G)
        • B(b);::R1(G)
      • Refutation
        • K(a);S_FLIGHT,XR(G)
  • Actual
    • B(F);
    • Threat
      • S(D)
    • Vars
      • B(b);N_GUARD,XS(A)::QAR(J)+B(H)
      • Q(g);N_GUARD,P_PINS(A)::QAR(J)+B(H)
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