MESON Chess Problem Database

Problem Display
PID: 231278 (2K5/8/8/p7/kp6/pR1Q4/p2b4/R7 w - - 0 1)

van Dijk, Johannes

Noord-Hollandsch Dagblad, 1927

2K5/8/8/p7/kp6/pR1Q4/p2b4/R7

#2

4 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rc3?
      • threat
        • 2.Qd7#
      • 1...bxc3
        • 2.Qc4#
      • 1...b3
        • 2.Qc4#
      • 1...Bxc3!
  • Keys
    • 1.Rb2!
      • threat
        • 2.Qd7#
      • 1...axb2
        • 2.Rxa2#
      • 1...b3
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB(C)
      • Vars
        • P(e);OGATEB,XR(B)::QAR2(C)
        • P(e);OGATEB::QAR2(C)
      • Refutation
        • B(b);XR(B)
  • Actual
    • R(B);
    • Threat
      • QAB(C)
    • Vars
      • P(c);OGATEB,P_SPINP(a),XR(B)::R(A),XP(a)
      • P(e);::QAB1(C),XP(e)
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