MESON Chess Problem Database

Problem Display
PID: 71416 (7n/4p2R/4Pk2/2N2p1P/5Q2/K7/5n2/b1B5 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1951

7n/4p2R/4Pk2/2N2p1P/5Q2/K7/5n2/b1B5

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2+
      • 2.Bxb2#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Be5
      • 2.Qg5#
      • 2.Qh4#
    • 1...Sg6
      • 2.Rf7#
    • 1...Sf7
      • 2.Rxf7#
  • Tries
    • 1.Rh6+?
      • 1...Sg6
        • 2.Rxg6#
      • 1...Kg7!
    • 1.Qe3?
      • threat
        • 2.Sd7#
      • 1...Bb2+
        • 2.Bxb2#
      • 1...f4
        • 2.Qxf4#
      • 1...Be5
        • 2.Qg5#
      • 1...Se4!
    • 1.Qg3?
      • threat
        • 2.Bg5#
        • 2.Qg7#
      • 1...Bb2+
        • 2.Bxb2#
      • 1...f4
        • 2.Qxf4#
      • 1...Sh3
        • 2.Qg7#
      • 1...Se4
        • 2.Qg7#
      • 1...Sg6
        • 2.Bg5#
        • 2.Rf7#
      • 1...Sf7
        • 2.Rxf7#
        • 2.Qg7#
      • 1...Sg4!
    • 1.Qh6+?
      • 1...Sg6
        • 2.Qg7#
      • 1...Ke5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxh8#
      • 1...Bb2+
        • 2.Qxb2#
      • 1...f4
        • 2.Qxf4#
      • 1...Sg6
        • 2.Rf7#
      • 1...Sf7
        • 2.Rxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);CHECK,N_GUARD::B(A),XB(a)
    • B(a);N_GUARD::QAB(C),XB(a)
    • S(f);N_GUARD::R1(G)
    • S(f);N_GUARD::R1(G),XS(f)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::R1(G),XS(f)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(C);N_PINP(c)
      • Threat
        • S(D)
      • Vars
        • B(a);CHECK,N_GUARD::B(A),XB(a)
        • P(c);OGATEB::QAR2(C),XP(c)
        • B(a);SBLOCK::QAB1(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);N_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);CHECK,N_GUARD::B(A),XB(a)
        • P(c);OGATEB::QAR2(C),XP(c)
        • S(b);::QAB1(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);CHECK,N_PINP(c)
      • Vars
        • S(f);P_SPINS(f)::QAB1(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(C);N_PINP(c)
    • Threat
      • QAB(C),XS(f)
    • Vars
      • B(a);CHECK,N_GUARD::QAB(C),XB(a)
      • P(c);OGATEB::QAR2(C),XP(c)
      • S(f);N_GUARD::R1(G)
      • S(f);N_GUARD::R1(G),XS(f)
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