MESON Chess Problem Database

Problem Display
PID: 193545 (5N2/p6p/p1p4B/K1Pkpp2/N2pR3/8/4P2R/Q7 w - - 0 1)

Fink, Adolf Jay

2nd Prize, Pittsburgh Gazette-Times, 1915

5N2/p6p/p1p4B/K1Pkpp2/N2pR3/8/4P2R/Q7

#2

9 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qa2#
    • 1...Kxe4
      • 2.Qh1#
    • 1...d3
      • 2.Qxe5#
    • 1...fxe4
      • 2.Qa2#
  • Tries
    • 1.Sb6+?
      • 1...Kxe4
        • 2.Qh1#
      • 1...Kxc5
        • 2.Qa3#
      • 1...axb6+!
    • 1.Rf2?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxe4
        • 2.Qh1#
      • 1...fxe4
        • 2.Qa2#
      • 1...d3
        • 2.Qxe5#
      • 1...f4!
    • 1.Rh3?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxe4
        • 2.Qh1#
      • 1...fxe4
        • 2.Qa2#
      • 1...d3
        • 2.Qxe5#
      • 1...f4!
    • 1.Rhh4?
      • threat
        • 2.Qa2#
      • 1...Kc4
        • 2.Qa2#
      • 1...f4!
    • 1.Rxe5+?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxe5!
    • 1.Qb1?
      • 1...Kc4
        • 2.Qa2#
      • 1...fxe4
        • 2.Qa2#
        • 2.Qb3#
      • 1...d3
        • 2.Qxd3#
      • 1...f4!
    • 1.Qg1?
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxe4
        • 2.Qh1#
        • 2.Qg2#
      • 1...fxe4
        • 2.Qg8#
      • 1...d3
        • 2.Sc3#
      • 1...f4!
    • 1.Qa3?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxe4
        • 2.Qf3#
      • 1...fxe4
        • 2.Qa2#
        • 2.Qb3#
      • 1...d3
        • 2.Sc3#
        • 2.Qxd3#
      • 1...f4!
  • Keys
    • 1.Rh5!
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxe4
        • 2.Qh1#
      • 1...fxe4
        • 2.Qa2#
      • 1...f4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...d3
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
    • K(b);OGATEB,S_FLIGHT,XR(E)::QAB(A)
    • P(a);OGATE::QAR1(A),XP(c)
    • P(d);SBLOCK,XR(E)::QAB(A)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(E)::QAB(A)
        • K(b);P-FLIGHT,XP(G)::QAB(A)
      • Refutation
        • P(g);CHECK,XS(D)
    • Try
      • R(C);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • K(b);OGATEB,S_FLIGHT,XR(E)::QAB(A)
        • P(d);SBLOCK,XR(E)::QAB(A)
        • P(a);OGATE::QAR1(A),XP(c)
      • Refutation
        • P(d);
    • Try
      • R(C);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • K(b);OGATEB,S_FLIGHT,XR(E)::QAB(A)
        • P(d);SBLOCK,XR(E)::QAB(A)
        • P(a);OGATE::QAR1(A),XP(c)
      • Refutation
        • P(d);
    • Try
      • R(C);
      • Threat
        • QAB(A)
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
      • Refutation
        • P(d);
    • Try
      • R(E);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a),XR(E)
    • Try
      • Q(A);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • P(d);SBLOCK,XR(E)::QAB(A)
        • P(a);N_GUARD::S(D)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
      • Refutation
        • P(d);
  • Actual
    • R(C);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
      • K(b);OGATEB,S_FLIGHT,XR(E)::QAB(A)
      • P(d);P_SPINP(c),SBLOCK,XR(E)::QAB(A)
      • P(a);OGATE::QAR1(A),XP(c)
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