MESON Chess Problem Database

Problem Display
PID: 101505 (8/8/2p5/2P4r/2k1p2p/1RBNP2K/8/1R3Q2 w - - 0 1)

Fink, Adolf Jay

Good Companions (April), 1917

8/8/2p5/2P4r/2k1p2p/1RBNP2K/8/1R3Q2

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qf7#
    • 1...Rxc5
      • 2.Sb4#
      • 2.Sf4#
  • Tries
    • 1.Se5+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kxc5!
    • 1.Bd4?
      • threat
        • 2.Sb4#
        • 2.Sf4#
      • 1...Kd5
        • 2.Sf4#
        • 2.Qf7#
      • 1...Rf5
        • 2.Sf4#
      • 1...exd3!
    • 1.Rb4+?
      • 1...Kd5
        • 2.Qf7#
      • 1...Kxc3!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Sf4#
      • 1...Kb5
        • 2.Sb2#
      • 1...Kd5
        • 2.Qf7#
      • 1...exd3
        • 2.Qxd3#
      • 1...Rd5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,XP(H)
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::QAB(B)+S(E)
      • Refutation
        • P(b);P_SPINP(b),XS(E)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
  • Actual
    • B(D);
    • Threat
      • QAB(B)+S(E)
    • Vars
      • K(a);S_FLIGHT::QAB(B)+S(E)
      • K(a);S_FLIGHT::QAB(B)
      • P(b);OGATE,P_SPINP(b),XS(E)::QAB1(B),XP(b)
      • R(d);SBLOCK::QAB(B)+S(E),DCHECK
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