MESON Chess Problem Database

Problem Display
PID: 193937 (5N2/1rrp1p1B/2b3p1/1n1k4/2N4R/P2p4/5Q1K/B7 w - - 0 1)

Fink, Adolf Jay

Pittsburgh Gazette-Times, 1916

5N2/1rrp1p1B/2b3p1/1n1k4/2N4R/P2p4/5Q1K/B7

#2

8 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa3
      • 2.Qd4#
    • 1...Sc3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sd6
      • 2.Qd4#
    • 1...Sa7
      • 2.Qd4#
    • 1...g5
      • 2.Qf5#
    • 1...f5
      • 2.Bg8#
    • 1...f6
      • 2.Bg8#
  • Tries
    • 1.Bxg6?
      • threat
        • 2.Bxf7#
        • 2.Qf5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qd4#
      • 1...d6
        • 2.Qf5#
      • 1...f5
        • 2.Bf7#
        • 2.Qxf5#
      • 1...f6
        • 2.Bf7#
        • 2.Qf5#
      • 1...fxg6!
    • 1.Bg8?
      • threat
        • 2.Bxf7#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qd4#
      • 1...d6!
    • 1.Rd4+?
      • 1...Sxd4
        • 2.Qxd4#
      • 1...Kc5!
    • 1.Qe3?
      • threat
        • 2.Qe5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...f6
        • 2.Bg8#
      • 1...d6!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qxf7#
      • 1...Kxc4
        • 2.Qa2#
      • 1...Sxd4
        • 2.Qxd4#
      • 1...Sd6
        • 2.Se3#
      • 1...d6
        • 2.Se3#
      • 1...f5
        • 2.Bg8#
      • 1...f6
        • 2.Bg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD,XP(D)::QAR1(B)
    • S(b);N_GUARD::QAR1(B)
    • S(b);N_GUARD::QAR1(B),XS(b)
    • P(e);N_GUARD::QAR2(B)
    • P(i);OGATEB::B(G)
  • Tries
    • Try
      • B(G);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
        • P(h);::QAR2(B)
      • Refutation
        • P(i);XB(G)
    • Try
      • B(G);P_PINP(i)
      • Threat
        • B(G),XP(i)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • P(h);
    • Try
      • R(F);CHECK
      • Vars
        • S(b);OGATE,XR(F)::QAR1(B),XS(b)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
        • P(i);OGATEB::B(G)
      • Refutation
        • P(h);
  • Actual
    • B(A);
    • Threat
      • QAB(B),XP(i)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(E)::QAB(B)
      • S(b);OGATE,XB(A)::QAR1(B),XS(b)
      • S(b);SBLOCK::S(E)
      • P(h);SBLOCK::S(E)
      • P(i);OGATEB::B(G)
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