MESON Chess Problem Database

Problem Display
PID: 259404 (2n2R2/2N1P3/2kP4/P1N1r3/K1p2p2/8/1Q6/B7 w - - 0 1)

Bunting, Joe

Western Morning News, 1924

(First published on Sat Jun 7 1924)

2n2R2/2N1P3/2kP4/P1N1r3/K1p2p2/8/1Q6/B7

#2

9 + 5

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6+
      • 2.Qxb6#
    • 1...Sxd6
      • 2.Qb6#
    • 1...Sa7
      • 2.Qb6#
    • 1...Sxe7
      • 2.Qb6#
  • Tries
    • 1.Rf6?
      • threat
        • 2.Qb5#
      • 1...Sb6+
        • 2.Qxb6#
      • 1...Kxc5
        • 2.Qb5#
      • 1...Rxc5
        • 2.e8Q#
        • 2.e8B#
      • 1...Sxd6
        • 2.Qb6#
      • 1...Sa7
        • 2.Qb6#
      • 1...Re6!
    • 1.e8Q+?
      • 1...Kxc5
        • 2.Qa3#
        • 2.Qd4#
        • 2.Qbxe5#
        • 2.Qb4#
      • 1...Kxd6
        • 2.Qbxe5#
      • 1...Rxe8!
    • 1.e8B+?
      • 1...Kxc5
        • 2.Qa3#
        • 2.Qd4#
        • 2.Qxe5#
        • 2.Qb4#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...Rxe8!
  • Keys
    • 1.Rd8!
      • threat
        • 2.Qb5#
      • 1...Sb6+
        • 2.Qxb6#
      • 1...Kxc5
        • 2.Qb5#
      • 1...Rxc5
        • 2.e8Q#
        • 2.e8B#
      • 1...Sxd6
        • 2.Qb6#
      • 1...Sa7
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(e);CHECK,N_GUARD::QAR1(B),XS(e)
    • S(e);N_GUARD,SBLOCK,XP(F)::QAR1(B)
    • S(e);N_GUARD::QAR1(B)
    • S(e);N_GUARD,XP(H)::QAR1(B)
  • Tries
    • Try
      • R(I);
      • Threat
        • QAB1(B)
      • Vars
        • S(e);CHECK,N_GUARD::QAR1(B),XS(e)
        • K(d);P-FLIGHT,XS(E)::QAR1(B)
        • R(c);N_GUARD,SBLOCK,XS(E)::P=Q
        • S(e);N_GUARD,P_SPINS(e),XP(F)::QAR1(B)
        • S(e);N_GUARD::QAR1(B)
      • Refutation
        • R(c);
    • Try
      • P(H);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(F)::QAB1(B),XR(c)
      • Refutation
        • R(c);XQ(H)
    • Try
      • P(H);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(F)::QAB1(B),XR(c)
      • Refutation
        • R(c);XB(H)
  • Actual
    • R(I);
    • Threat
      • QAB1(B)
    • Vars
      • S(e);CHECK,N_GUARD::QAR1(B),XS(e)
      • K(d);P-FLIGHT,XS(E)::QAR1(B)
      • R(c);N_GUARD,SBLOCK,XS(E)::P=Q
      • S(e);N_GUARD,XP(F)::QAR1(B)
      • S(e);N_GUARD::QAR1(B)
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