MESON Chess Problem Database

Problem Display
PID: 262794 (3N1b2/2pn4/6R1/1n1kp2Q/4N3/3PP3/2R5/7K w - - 0 1)

Virtmanis, Andris

Szachy, 1970

3N1b2/2pn4/6R1/1n1kp2Q/4N3/3PP3/2R5/7K

#2

8 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rd6+?
      • 1...Bxd6
        • 2.Qf7#
      • 1...cxd6
        • 2.Qf7#
      • 1...Sxd6!
    • 1.Qxe5+?
      • 1...Kxe5
        • 2.Rg5#
      • 1...Sxe5!
  • Keys
    • 1.Rgc6!
      • threat
        • 2.Qf7#
      • 1...Sd4
        • 2.Sc3#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sc5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • B(f);XR(G)::QAB(F)
        • P(d);XR(G)::QAB(F)
      • Refutation
        • S(a);XR(G)
    • Try
      • Q(F);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT,S_CUTS(e),XQ(F)::R(G)
      • Refutation
        • S(e);XQ(F)
  • Actual
    • R(G);
    • Threat
      • QAB(F)
    • Vars
      • S(a);N_GUARD::S(E)
      • S(e);N_GUARD::S(E)
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