MESON Chess Problem Database

Problem Display
PID: 241057 (N3Kn2/4p3/1R6/N1pkP2r/p1R2bPp/q1pPp2B/2P3b1/3Q4 w - - 0 1)

Slesarenko, Anatoly Vasilevich

Schweizerische Schachzeitung, 1989

N3Kn2/4p3/1R6/N1pkP2r/p1R2bPp/q1pPp2B/2P3b1/3Q4

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Sc7#
    • 1...Bxe5
      • 2.Bxg2#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Sc7#
      • 1...Ke6
        • 2.Sc7#
      • 1...Bxe5
        • 2.Sxe7#
      • 1...Se6
        • 2.Bxg2#
      • 1...Rxe5!
  • Keys
    • 1.d4!
      • threat
        • 2.Bxg2#
      • 1...Ke4
        • 2.Bxg2#
      • 1...Rxe5
        • 2.dxc5#
      • 1...Bxh3
        • 2.Qf3#
      • 1...cxd4
        • 2.Qxd4#
      • 1...Bf1
        • 2.Qf3#
      • 1...Bh1
        • 2.Qxh1#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(j);SBLOCK,XP(H)::S(J)
    • B(f);SBLOCK,XP(H)::B(D),XB(a)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(J)
      • Vars
        • K(i);S_FLIGHT::S(J)
        • B(f);SBLOCK,XP(H)::S(G),XP(k)
        • S(l);SBLOCK::B(D),XB(a)
      • Refutation
        • R(j);XP(H)
  • Actual
    • P(C);
    • Threat
      • B(D),XB(a)
    • Vars
      • K(i);S_FLIGHT::B(D),XB(a)
      • R(j);SBLOCK,XP(H)::QAR(A)+P(C),XP(h)
      • B(a);N_GUARD,XB(D)::QAB(A)
      • P(h);OGATE,P_SPINP(h),XP(C)::QAR1(A),XP(h)
      • B(a);N_GUARD::QAB(A)
      • B(a);OGATEB::QAB(A),XB(a)
      • B(a);N_GUARD::QAB(A),XB(a)
      • B(a);SBLOCK::S(J)
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