MESON Chess Problem Database

Problem Display
PID: 44070 (8/3B1N2/Kb3B2/p1r3p1/R3bk2/3Qn2R/3n1Np1/2r2q2 w - - 0 1)

Funk, Jacob E

2nd Prize, Good Companions (March), 1923

8/3B1N2/Kb3B2/p1r3p1/R3bk2/3Qn2R/3n1Np1/2r2q2

#2

8 + 11

20 De Problemist 1931
56 The Problemist 1938
5089 The Enjoyment of Chess Problems 1943
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3+
      • 2.Sxd3#
    • 1...Qd1
      • 2.Qxe3#
    • 1...Qg1
      • 2.Qxe3#
    • 1...Qh1
      • 2.Qxe3#
    • 1...R1c4
      • 2.Qxe3#
    • 1...Rc2
      • 2.Be5#
      • 2.Bxg5#
    • 1...Rc3
      • 2.Be5#
      • 2.Bxg5#
    • 1...R5c4
      • 2.Be5#
      • 2.Bxg5#
      • 2.Qd6#
    • 1...Re5
      • 2.Bxe5#
    • 1...Rc6
      • 2.Be5#
      • 2.Bxg5#
    • 1...Rc7
      • 2.Be5#
      • 2.Bxg5#
    • 1...Rc8
      • 2.Be5#
      • 2.Bxg5#
    • 1...Sb1
      • 2.Rxe4#
    • 1...Sb3
      • 2.Rxe4#
    • 1...Sf3
      • 2.Rxe4#
    • 1...Sdc4
      • 2.Qxe4#
    • 1...Sec4
      • 2.Qg3#
    • 1...Sd5
      • 2.Be5#
      • 2.Bxg5#
    • 1...Sf5
      • 2.Bxg5#
  • Keys
    • 1.Sh8!
      • threat
        • 2.Sg6#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...R1c4
        • 2.Qxe3#
      • 1...R5c4
        • 2.Qd6#
      • 1...Sdc4
        • 2.Qxe4#
      • 1...Sec4
        • 2.Qg3#

This anticipates 44072(1927), 43745(1930)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(b);CHECK,XQ(B)::S(A),XQ(b)
    • Q(b);N_PINQ(B)::QAB1(B),XS(e)
    • R(a);N_PINQ(B),N_SPINB(f)::QAB1(B),XS(e)
    • R(i);N_GUARD::B(F),XR(i)
    • S(c);N_GUARD::R1(D),XB(f)
    • S(c);N_PINQ(B),N_SPINB(f)::QAR1(B),XB(f)
    • S(e);N_PINQ(B),N_SPINB(f)::QAB1(B)
    • S(e);S_CUTR(i)::B(F),XP(j)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • Q(b);CHECK,XQ(B)::S(A),XQ(b)
      • R(a);N_PINQ(B),N_SPINB(f)::QAB1(B),XS(e)
      • R(i);N_PINQ(B),N_SPINB(f)::QAB(B)
      • S(c);N_PINQ(B),N_SPINB(f)::QAR1(B),XB(f)
      • S(e);N_PINQ(B),N_SPINB(f)::QAB1(B)
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