MESON Chess Problem Database

Problem Display
PID: 120679 (8/8/5n2/5K2/8/5k2/P3NpN1/R4Q2 w - - 0 1)

Mortimer, L

Our Young People, 1914

8/8/5n2/5K2/8/5k2/P3NpN1/R4Q2

#2

6 + 3

70 American Chess Problemist 1950
6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • 1...Kxe2
        • 2.Qd1#
      • 1...Kxg2
        • 2.Qh1#
      • 1...f1Q
        • 2.Qxf1#
      • 1...f1S
        • 2.Qxf1#
      • 1...f1B
        • 2.Qxf1#
      • 1...f1R
        • 2.Qxf1#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sd5
        • 2.Qe4#
      • 1...Sh5
        • 2.Qe4#
      • 1...Sd7
        • 2.Qe4#
      • 1...Sh7
        • 2.Qe4#
      • 1...Se8
        • 2.Qe4#
      • 1...Sg8
        • 2.Qe4#

This anticipates 183303(1953)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);N_PINP(a)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(B)
      • P(a);OGATEB::QAR2(B),XQ(a)
      • P(a);OGATEB::QAR2(B),XS(a)
      • P(a);OGATEB::QAR2(B),XB(a)
      • P(a);OGATEB::QAR2(B),XR(a)
      • S(c);N_GUARD::QAB1(B),XS(c)
      • S(c);N_GUARD::QAB1(B)
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