MESON Chess Problem Database

Problem Display
PID: 275970 (8/p6p/Nb2QnpP/pK2R1P1/3p4/r2k1p2/1n6/1b1BB3 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Western Morning News, 1926

(First published on Sat Jun 26 1926)

8/p6p/Nb2QnpP/pK2R1P1/3p4/r2k1p2/1n6/1b1BB3

#2

8 + 12

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qb3#
    • 1...Ra2
      • 2.Qb3#
    • 1...Rb3+
      • 2.Qxb3#
    • 1...Ra4
      • 2.Qb3#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bc7
      • 2.Sc5#
    • 1...Bd8
      • 2.Sc5#
    • 1...Sxd1
      • 2.Qc4#
    • 1...Sa4
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...f2
      • 2.Qh3#
    • 1...a4
      • 2.Sb4#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qxf3#
      • 1...Rb3+
        • 2.Qxb3#
      • 1...Sxd1
        • 2.Qc4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sg4
        • 2.Qe4#
      • 1...f2
        • 2.Qf3#
      • 1...Sxd5!
    • 1.Qf5+?
      • 1...Se4
        • 2.Qxe4#
        • 2.Qxf3#
      • 1...gxf5!
  • Keys
    • 1.Re2!
      • 1...Rb3+
        • 2.Qxb3#
      • 1...Sxd1
        • 2.Qc4#
      • 1...fxe2
        • 2.Qxe2#
      • 1...Ra1
        • 2.Qb3#
      • 1...Ra2
        • 2.Qb3#
      • 1...Rc3
        • 2.Rd2#
      • 1...Ra4
        • 2.Qb3#
      • 1...Ba2
        • 2.Bc2#
      • 1...Bc2
        • 2.Bxc2#
      • 1...Bc5
        • 2.Sxc5#
      • 1...Bc7
        • 2.Sc5#
      • 1...Bd8
        • 2.Sc5#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sd5
        • 2.Qe4#
      • 1...Sh5
        • 2.Qe4#
      • 1...Sd7
        • 2.Qe4#
      • 1...Se8
        • 2.Qe4#
      • 1...Sg8
        • 2.Qe4#
      • 1...f2
        • 2.Qh3#
      • 1...a4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAR2(G)
    • R(c);CHECK,N_GUARD::QAR2(G),XR(c)
    • B(h);N_GUARD::S(F),XB(h)
    • B(h);N_GUARD::S(F)
    • S(b);N_GUARD,XB(A)::QAB1(G)
    • S(b);N_GUARD::QAB1(G)
    • S(b);N_GUARD::QAB1(G),XS(b)
    • P(e);OGATEB::QAR(G)
    • P(g);N_GUARD::S(F)
  • Tries
    • Try
      • Q(G);P_PINP(f)
      • Threat
        • QAR2(G),XP(e)
      • Vars
        • R(c);CHECK,N_GUARD::QAR2(G),XR(c)
        • S(b);N_GUARD,XB(A)::QAB1(G)
        • S(i);N_GUARD::QAB1(G),XS(i)
        • S(b);N_GUARD::QAB1(G),XS(b)
        • S(i);N_GUARD::QAB1(G)
        • P(e);::QAR2(G)
      • Refutation
        • S(i);N_SPINP(f),XQ(G)
    • Try
      • Q(G);CHECK
      • Refutation
        • P(j);XQ(G)
  • Actual
    • R(D);
    • Vars
      • R(c);CHECK,N_GUARD::QAR2(G),XR(c)
      • S(b);N_GUARD,XB(A)::QAB1(G)
      • P(e);OGATE,XR(D)::QAB1(G),XP(e)
      • R(c);N_GUARD::QAR2(G)
      • R(c);SBLOCK::R1(D)
      • B(a);N_GUARD::B(A)
      • B(a);N_GUARD::B(A),XB(a)
      • B(h);N_GUARD::S(F),XB(h)
      • B(h);N_GUARD::S(F)
      • S(b);N_GUARD::QAB1(G)
      • S(b);N_GUARD::QAB1(G),XS(b)
      • S(i);N_GUARD::QAB1(G),XS(i)
      • S(i);N_GUARD::QAB1(G)
      • P(e);OGATEB::QAR(G)
      • P(g);N_GUARD::S(F)
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