MESON Chess Problem Database

Problem Display
PID: 99929 (8/1Q1N2K1/4b3/pp2p3/Nkr1R3/p3p3/1b1rn3/1R1BB3 w - - 0 1)

Ageev, Gennadi Mikhailovich

Etmishev, Eduard Artemevich

Magyar Sakkelet, 1989

8/1Q1N2K1/4b3/pp2p3/Nkr1R3/p3p3/1b1rn3/1R1BB3

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd2+?
      • 1...Sc3
        • 2.Bxc3#
      • 1...exd2!
    • 1.Qb6?
      • threat
        • 2.Qc5#
        • 2.Qd6#
      • 1...Rxe4
        • 2.Qc5#
      • 1...Rd4
        • 2.Qc5#
      • 1...Sc3
        • 2.Qc5#
      • 1...Sd4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Qe7#
      • 1...Bd7
        • 2.Rxc4#
      • 1...Sc3
        • 2.Sc6#
      • 1...Sd4
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK,P_PINR(g),XR(b)
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::B(C),XS(c)
      • Refutation
        • P(e);XB(C)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);XR(E)::QAB1(F)
        • R(g);::QAB1(F)
        • S(c);N_SPINR(b),P_SPINR(g)::QAB1(F)
      • Refutation
        • S(c);
  • Actual
    • S(G);P_SPINS(G),XP(j)
    • Threat
      • QAB(F)
    • Vars
      • B(k);N_GUARD::R1(E),XR(g)
      • S(c);N_PINS(G),N_SPINR(b),P_SPINR(g)::S(G)
      • S(c);N_PINS(G)::S(G)
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