MESON Chess Problem Database

Problem Display
PID: 157000 (8/3P4/2PNP3/1BrprP2/1BpkpK2/3p4/3N4/8 w - - 0 1)

Alekseev, Yuri Mikhailovich

Shakhmatnaya kompozitsiya, 2013

8/3P4/2PNP3/1BrprP2/1BpkpK2/3p4/3N4/8

#2

9 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb5
      • 2.Sxb5#
    • 1...Rxf5+
      • 2.Sxf5#
    • 1...c3
      • 2.Sb3#
    • 1...e3
      • 2.Sf3#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Sb3#
      • 1...Rxf5+
        • 2.Sxf5#
      • 1...dxc4!
  • Keys
    • 1.d8S!
      • 1...Rxf5+
        • 2.Sxf5#
      • 1...Rxb5
        • 2.Sxb5#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...Rxe6
        • 2.Sxe6#
      • 1...c3
        • 2.Sb3#
      • 1...e3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);XB(D)::S(G),XR(e)
    • R(g);CHECK,XP(E)::S(G),XR(g)
    • P(b);N_GUARD::S(A)
    • P(d);N_GUARD::S(A)
  • Tries
    • Try
      • B(D);XP(b)
      • Threat
        • S(A)
      • Vars
        • R(g);CHECK,XP(E)::S(G),XR(g)
      • Refutation
        • P(f);XB(D)
  • Actual
    • P(I);
    • Vars
      • R(g);CHECK,XP(E)::S(G),XR(g)
      • R(e);XB(D)::S(G),XR(e)
      • R(e);XP(F)::S(I),XR(e)
      • R(g);XP(H)::S(I),XR(g)
      • P(b);N_GUARD::S(A)
      • P(d);N_GUARD::S(A)
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