MESON Chess Problem Database

Problem Display
PID: 22129 (8/1n2p3/3p4/5Q2/1P1k4/R7/3K4/8 w - - 0 1)

Akerblom, Johan Axel

1st Prize, Sveriges Schackforbund, 1924

8/1n2p3/3p4/5Q2/1P1k4/R7/3K4/8

#2

4 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qf4#
    • 1...e5
      • 2.Qd3#
  • Keys
    • 1.Ra4!
      • threat
        • 2.b5#
      • 1...Kc4
        • 2.Qd3#
      • 1...e5
        • 2.Qd3#
      • 1...Sa5
        • 2.bxa5#
      • 1...Sc5
        • 2.bxc5#
      • 1...d5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR2(D)
    • P(d);SBLOCK::QAR1(D)
  • Actual
    • R(B);
    • Threat
      • R(B)+P(C)
    • Vars
      • K(a);P-FLIGHT::QAB1(D)
      • P(d);SBLOCK::QAR1(D)
      • S(c);OGATE::R(B)+P(C),XS(c)
      • P(b);SBLOCK::QAR2(D)
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