MESON Chess Problem Database

Problem Display
PID: 52379 (1b3Q2/1bp2Np1/1r4p1/1r5p/1p2P1p1/1R4N1/4pk2/6RK w - - 0 1)

Howard, Kenneth Samuel

Grand Rapids Herald, 1933

(First published on Sun Dec 3 1933)

1b3Q2/1bp2Np1/1r4p1/1r5p/1p2P1p1/1R4N1/4pk2/6RK

#2

7 + 12

5089 The Enjoyment of Chess Problems 1943
5064 100 Years of the American Two-move Chess Problem 1962
5063 Spectacular Chess Problems 1965

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qxc5#
    • 1...Bxe4+
      • 2.Sxe4#
    • 1...Bc6
      • 2.Se5#
    • 1...e1S
      • 2.Rf1#
    • 1...e1B
      • 2.Rf1#
      • 2.Rg2#
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Se5#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Rg2#
        • 2.Qe1#
        • 2.Qd4#
      • 1...Bxe4+
        • 2.Sxe4#
      • 1...e1Q
        • 2.Qxe1#
      • 1...e1S
        • 2.Rf1#
        • 2.Qxe1#
        • 2.Qd2#
        • 2.Qd4#
      • 1...e1B
        • 2.Rf1#
        • 2.Rg2#
        • 2.Qxe1#
        • 2.Qd4#
      • 1...e1R
        • 2.Qxe1#
      • 1...Rd5
        • 2.Rg2#
        • 2.Qe1#
      • 1...Rd6
        • 2.Rg2#
        • 2.Qe1#
      • 1...c5
        • 2.Rg2#
        • 2.Qe1#
      • 1...Rxb4!
  • Keys
    • 1.Kh2!
      • threat
        • 2.Sh1#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...e1Q
        • 2.Rg2#
      • 1...e1S
        • 2.Rf1#
      • 1...e1B
        • 2.Rf1#
        • 2.Rg2#
      • 1...e1R
        • 2.Rg2#
      • 1...c5
        • 2.Sd6#
      • 1...c6
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD::QAB(G),XR(e)
    • B(i);CHECK,XP(E)::S(D),XB(i)
    • B(i);S_CUTR(g)::QAR(G)+S(F)
    • P(a);N_GUARD::R1(A)
    • P(j);S_CUTR(e)::QAR(G)+S(F)
    • P(j);N_PINP(E),S_CUTR(g)::QAR(G)+S(F)
  • Tries
    • Try
      • Q(G);XP(c)
      • Threat
        • DUALS(3)
      • Vars
        • B(i);CHECK,XP(E)::S(D),XB(i)
        • P(a);P_PINR(A)::QAB1(G),XQ(a)
        • P(a);P_PINR(A)::QAB1(G),XR(a)
      • Refutation
        • R(e);XQ(G)
  • Actual
    • K(B);N_SPINP(E),P-FLIGHT
    • Threat
      • S(D)
    • Vars
      • B(i);XP(E)::S(D),XB(i)
      • P(a);SBLOCK::R1(A)
      • P(a);N_GUARD::R1(A)
      • P(j);P_PINS(D),S_CUTR(e)::QAR(G)+S(F)
      • P(j);P_PINS(D),S_CUTR(g)::QAR(G)+S(F)
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