MESON Chess Problem Database

Problem Display
PID: 48311 (6n1/8/2p2p2/1bPk1PpK/6R1/QP6/N2ppN2/B3R3 w - - 0 1)

Banny, Dimitry Nikolaevich

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

1st Comm., BCF 141. Ty., 1978-1979

6n1/8/2p2p2/1bPk1PpK/6R1/QP6/N2ppN2/B3R3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.bxc4#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sc3#
        • 2.Sab4#
        • 2.Rd4#
      • 1...dxe1Q
        • 2.Rd4#
      • 1...dxe1B
        • 2.Rd4#
      • 1...d1S
        • 2.Sab4#
        • 2.Rd4#
      • 1...Bxd3!
    • 1.Bxf6?
      • threat
        • 2.Sc3#
        • 2.Rd4#
      • 1...dxe1Q
        • 2.Rd4#
      • 1...dxe1B
        • 2.Rd4#
      • 1...d1Q
        • 2.Sc3#
      • 1...d1S
        • 2.Rd4#
      • 1...d1R
        • 2.Sc3#
      • 1...Sxf6+!
    • 1.Rxe2?
      • threat
        • 2.Sc3#
        • 2.Rd4#
      • 1...d1Q
        • 2.Sc3#
      • 1...d1S
        • 2.Rd4#
      • 1...d1R
        • 2.Sc3#
      • 1...Bxe2!
    • 1.b4?
      • threat
        • 2.Qf3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...dxe1S!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Se3#
      • 1...exd1Q
        • 2.Sc3#
      • 1...exd1S
        • 2.Rd4#
      • 1...exd1B
        • 2.Sc3#
      • 1...exd1R
        • 2.Sc3#
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(c);OGATE::P(F),XB(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);XR(B)::R1(G)
      • Refutation
        • B(c);XS(D)
    • Try
      • B(A);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XR(B)::R1(G)
        • P(a);::S(C)
        • P(a);::R1(G)
      • Refutation
        • S(h);CHECK,XB(A)
    • Try
      • R(B);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(C)
        • P(a);::R1(G)
      • Refutation
        • B(c);P_PINR(G),XR(B)
    • Try
      • P(F);
      • Threat
        • QAB(E)
      • Vars
        • B(c);N_GUARD::QAR2(E),XB(c)
      • Refutation
        • P(a);XR(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(b);P_PINR(G),XS(D)::S(C)
      • P(b);XS(D)::R1(G)
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