MESON Chess Problem Database

Problem Display
PID: 172104 (8/8/2N5/4Q3/p2p1B2/5k2/Rn4b1/b2R2K1 w - - 0 1)

Apro, Laszlo

Mat, 1976

8/8/2N5/4Q3/p2p1B2/5k2/Rn4b1/b2R2K1

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Sxd3!
    • 1.Qh5+?
      • 1...Ke4
        • 2.Rxd4#
      • 1...Kxf4!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Sxd4#
      • 1...Ke2
        • 2.Qd3#
      • 1...Sxd1
        • 2.Se5#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sc4
        • 2.Rf2#
      • 1...d3
        • 2.Sd4#

This is a version of 172011

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(E)
      • Refutation
        • S(b);XR(A)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(A),XP(f)
      • Refutation
        • K(d);P-FLIGHT,XB(D)
  • Actual
    • Q(E);
    • Threat
      • S(F),XP(f)
    • Vars
      • K(d);P_SPINS(b),S_FLIGHT::QAB1(E)
      • S(b);XR(A)::S(F)
      • S(b);N_GUARD::R(A),XS(b)
      • S(b);OGATE::R1(C)
      • P(f);::S(F)
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