MESON Chess Problem Database

Problem Display
PID: 203413 (1br3Q1/2p1B3/1n2RP2/3kN1P1/8/2PB4/7K/8 w - - 0 1)

Niemeijer, Meindert

3rd Prize, Noord-Hollandsch Dagblad, 1924

1br3Q1/2p1B3/1n2RP2/3kN1P1/8/2PB4/7K/8

#2

9 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Se3#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.Re5#
      • 1...Sxc4
        • 2.Be4#
      • 1...Rxg8!
    • 1.Sg4?
      • threat
        • 2.Se3#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.Re5#
      • 1...Sc4
        • 2.Be4#
      • 1...Rxg8!
    • 1.Bf8?
      • threat
        • 2.Re8#
      • 1...Re8
        • 2.Rxe8#
      • 1...Rxf8!
    • 1.Rd6+?
      • 1...Kc5
        • 2.Rd4#
        • 2.Rd5#
        • 2.Rc6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Kxe5!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sf4#
      • 1...c5+
        • 2.Rd6#
      • 1...c6+
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(c);CHECK,SBLOCK::QAB(I)+R(F),DCHECK
        • S(b);SBLOCK,XS(D)::B(C)
      • Refutation
        • R(e);XQ(I)
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(c);CHECK,SBLOCK::QAB(I)+R(F),DCHECK
        • S(b);SBLOCK::B(C)
      • Refutation
        • R(e);XQ(I)
    • Try
      • B(H);
      • Threat
        • QAB(I)+R(F)
      • Vars
        • R(e);::QAB(I)+R(F),XR(e)
      • Refutation
        • R(e);XB(H)
    • Try
      • R(F);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(c);CHECK,SBLOCK::QAB(I)+R(F),DCHECK
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Developed and maintained by Brian Stephenson.
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