MESON Chess Problem Database

Problem Display
PID: 43929 (3Q3B/2p1pN2/2rb1n2/2pP3p/3k2pR/1P4p1/2K3B1/4R3 w - - 0 1)

Mussuri, Petr Stepanovich

Cahiers de l'Echiquier francais, 1936

3Q3B/2p1pN2/2rb1n2/2pP3p/3k2pR/1P4p1/2K3B1/4R3

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Re4#
  • Tries
    • 1.Bxf6+?
      • 1...Be5
        • 2.Bxe5#
        • 2.Re4#
        • 2.dxc6#
      • 1...e5
        • 2.dxe5 ep#
      • 1...exf6!
    • 1.Rxg4+?
      • 1...Bf4
        • 2.Re4#
        • 2.Rxf4#
        • 2.dxc6#
      • 1...hxg4!
    • 1.Qxe7?
      • threat
        • 2.Rd1#
        • 2.Qe3#
        • 2.Qe4#
      • 1...c4
        • 2.Qe3#
      • 1...Bf4
        • 2.Qe4#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bxe7!
    • 1.Qa8?
      • threat
        • 2.Qa1#
      • 1...Ra6
        • 2.Re4#
      • 1...c4!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...Bf4
        • 2.Re4#
      • 1...Be5
        • 2.Sf3#
      • 1...e6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(g);N_SPINP(c)::R1(A)
  • Tries
    • Try
      • B(I);CHECK,XS(h)
      • Vars
        • P(j);OGATE::B(I)+P(F),XP(j),EP
      • Refutation
        • P(j);XB(I)
    • Try
      • R(E);CHECK,XP(c)
      • Refutation
        • P(e);XR(E)
    • Try
      • Q(H);XP(j)
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::QAB1(H)
        • B(g);N_SPINP(c)::QAR1(H)
        • B(g);N_GUARD,N_SPINS(h)::QAB1(H),XB(g)
      • Refutation
        • B(g);XQ(H)
    • Try
      • Q(H);
      • Threat
        • QAB(H)
      • Vars
        • R(f);::R1(A)
      • Refutation
        • P(d);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(g);N_SPINP(c)::R1(A)
      • B(g);N_SPINS(h)::S(G)
      • P(j);::S(G),XP(j)
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Developed and maintained by Brian Stephenson.
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