MESON Chess Problem Database

Problem Display
PID: 135154 (q7/1r5B/2p5/P1N5/P1kB4/5Q2/b1N4p/2n4K w - - 0 1)

Fink, Adolf Jay

The Field, 1914

(First published on Sat Feb 14 1914)

q7/1r5B/2p5/P1N5/P1kB4/5Q2/b1N4p/2n4K

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qf7#
    • 1...Rb2
      • 2.Qf7#
    • 1...Rb3
      • 2.Qf7#
    • 1...Rb4
      • 2.Qf7#
    • 1...Rb5
      • 2.Qf7#
    • 1...Rb6
      • 2.Qf7#
    • 1...Rf7
      • 2.Qxf7#
    • 1...Rb8
      • 2.Qf7#
    • 1...Se2
      • 2.Bd3#
    • 1...Sb3
      • 2.Bd3#
    • 1...Sd3
      • 2.Bxd3#
  • Tries
    • 1.Sa3+?
      • 1...Kb4
        • 2.Qc3#
      • 1...Kxd4!
    • 1.Se4?
      • threat
        • 2.Sd2#
        • 2.Sd6#
      • 1...Qxa5
        • 2.Sd6#
      • 1...Sd3
        • 2.Sd2#
      • 1...Qb8
        • 2.Sd2#
      • 1...Qd8
        • 2.Sd2#
      • 1...Qf8
        • 2.Sd2#
      • 1...Rd7
        • 2.Sd2#
      • 1...Sb3
        • 2.Sd6#
      • 1...Kd5!
    • 1.Be4?
      • threat
        • 2.Qc3#
      • 1...Rb3
        • 2.Qf7#
      • 1...Se2
        • 2.Bd3#
        • 2.Qxe2#
        • 2.Qd3#
      • 1...Sd3
        • 2.Bxd3#
        • 2.Qxd3#
      • 1...Qxa5!
    • 1.Bg8+?
      • 1...Rf7
        • 2.Bxf7#
        • 2.Qxf7#
      • 1...Qxg8!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Qe6#
      • 1...Sd3
        • 2.Qe6#
      • 1...Sxe2!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sd2#
      • 1...Qxa5
        • 2.Sxa5#
      • 1...Rxb3
        • 2.Qf7#
      • 1...Bxb3
        • 2.Qxc6#
      • 1...Sxb3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(f);N_GUARD::QAB(C)
    • R(f);N_GUARD::QAB(C),XR(f)
    • S(a);N_GUARD::B(H)
    • S(a);N_GUARD::B(H),XS(a)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(C)
      • Refutation
        • K(d);P-FLIGHT,XB(E)
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);XP(F)::S(G)
        • S(a);::S(G)
        • Q(g);::S(G)
        • R(f);::S(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(H);
      • Threat
        • QAR1(C)
      • Vars
        • R(f);N_GUARD::QAB(C)
      • Refutation
        • Q(g);XP(F)
    • Try
      • B(H);CHECK
      • Refutation
        • Q(g);XB(H)
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(C)
        • S(a);P_SPINS(a)::QAB(C)
      • Refutation
        • S(a);XQ(C)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(g);XP(F)::S(G),XQ(g)
      • R(f);N_GUARD,SBLOCK,XS(G)::QAB(C)
      • B(b);SBLOCK,XS(G)::QAR2(C),XP(e)
      • S(a);N_GUARD,SBLOCK,XS(G)::B(H)
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