MESON Chess Problem Database

Problem Display
PID: 59095 (7K/3pQp2/3p1N2/1b2p2R/1r3k2/1r2p2R/1bPP4/1BN1q3 w - - 0 1)

Myllyniemi, Matti Arvo

1st Prize, Hannelius JT, 1967

7K/3pQp2/3p1N2/1b2p2R/1r3k2/1r2p2R/1bPP4/1BN1q3

#2

9 + 11

3772 FIDE Album (1965-1967) 1976

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Ke4!
    • 1.Qxd7?
      • threat
        • 2.Rf5#
        • 2.Qg4#
        • 2.Qf5#
      • 1...Qg3
        • 2.Rf5#
        • 2.Qf5#
      • 1...Qh4
        • 2.Qf5#
      • 1...Qd1
        • 2.Rf5#
        • 2.Qf5#
      • 1...Qg1
        • 2.Rf5#
        • 2.Qf5#
      • 1...Qe2
        • 2.Rf5#
        • 2.Qf5#
      • 1...Be2
        • 2.Rf5#
        • 2.Qf5#
      • 1...Bd3
        • 2.Qg4#
      • 1...Bxd7!
    • 1.c3?
      • threat
        • 2.Rf5#
      • 1...Qh4
        • 2.dxe3#
      • 1...Bd3
        • 2.Sxd3#
      • 1...e4
        • 2.Qxd6#
      • 1...Re4!
  • Keys
    • 1.c4!
      • threat
        • 2.Rf5#
      • 1...Qh4
        • 2.Se2#
      • 1...Rd3
        • 2.Sxd3#
      • 1...e4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(H)
      • Refutation
        • K(f);P-FLIGHT,P_SPINP(h)
    • Try
      • Q(H);XP(j)
      • Threat
        • DUALS(3)
      • Vars
        • Q(a);P_PINR(F)::QAR1(H)
        • B(g);::QAR1(H)
      • Refutation
        • B(g);XQ(H)
    • Try
      • P(C);
      • Threat
        • R1(F)
      • Vars
        • Q(a);N_GUARD,P_PINR(F)::P(D),XP(d)
        • B(g);N_GUARD::S(B),XB(g)
        • P(h);OGATEB::QAB(H),XP(i)
      • Refutation
        • R(e);
  • Actual
    • P(C);
    • Threat
      • R1(F)
    • Vars
      • Q(a);N_GUARD,P_PINR(F)::S(B)
      • R(c);N_GUARD::S(B),XR(c)
      • P(h);OGATE,P_PINS(G)::QAR1(H),XP(h)
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