MESON Chess Problem Database

Problem Display
PID: 101498 (1Q6/8/8/6KB/2p5/3N3R/3k2PR/n1rN4 w - - 0 1)

Fink, Adolf Jay

2nd Prize, Good Companions (February Meredith Ty.), 1917

1Q6/8/8/6KB/2p5/3N3R/3k2PR/n1rN4

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Qb2#
    • 1...Rc2
      • 2.Qf4#
  • Tries
    • 1.Re3?
      • threat
        • 2.g3#
      • 1...Kc2
        • 2.Qb2#
        • 2.g3#
      • 1...Rxd1!
    • 1.Qa7?
      • threat
        • 2.Qf2#
      • 1...Kc2
        • 2.Qa2#
      • 1...Rxd1!
    • 1.Qb2+?
      • 1...Sc2
        • 2.Qxc1#
        • 2.Qc3#
      • 1...Rc2!
    • 1.Qb4+?
      • 1...Kc2
        • 2.Se1#
        • 2.Qb2#
      • 1...Rc3
        • 2.Qxc3#
      • 1...c3!
    • 1.Qb6?
      • threat
        • 2.Qf2#
      • 1...Kc2
        • 2.Qb2#
      • 1...Rxd1!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qe2#
      • 1...Kc2
        • 2.Qb2#
      • 1...Rxd1
        • 2.g4#
      • 1...cxd3
        • 2.g3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::QAR1(H)
    • R(b);SBLOCK::QAB(H)
  • Tries
    • Try
      • R(E);
      • Threat
        • R(C)+P(B)
      • Refutation
        • R(b);XS(A)
    • Try
      • Q(H);
      • Threat
        • QAR2(H)
      • Vars
        • K(c);P-FLIGHT::QAR2(H)
      • Refutation
        • R(b);XS(A)
    • Try
      • Q(H);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • Q(H);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAB1(H),XR(b)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • Q(H);
      • Threat
        • QAR2(H)
      • Vars
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • R(b);XS(A)
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • K(c);P-FLIGHT::QAR1(H)
      • R(b);SBLOCK,XS(A)::R(C)+P(B)
      • P(d);SBLOCK,XS(D)::R(C)+P(B)
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