MESON Chess Problem Database

Problem Display
PID: 58968 (8/1pB1Kb2/3PP3/1NbNkpp1/3R4/2rPP1P1/4n3/4R3 w - - 0 1)

Solarczyk, Rudolf

Troll, 1998

8/1pB1Kb2/3PP3/1NbNkpp1/3R4/2rPP1P1/4n3/4R3

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6+
      • 2.Bxd6#
    • 1...Sf4
      • 2.exf4#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sd7#
        • 2.Rd5#
      • 1...Bxd6+
        • 2.Bxd6#
      • 1...Rxd3
        • 2.Sd7#
      • 1...Bxd4
        • 2.exd4#
      • 1...Sxd4
        • 2.exd4#
      • 1...f4
        • 2.Rd5#
      • 1...Be8
        • 2.Rd5#
      • 1...Sf4
        • 2.Sd7#
        • 2.exf4#
      • 1...Bxe6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rd5#
      • 1...Bxd6+
        • 2.Bxd6#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Bxd4
        • 2.exd4#
      • 1...Bxe6
        • 2.Sg6#
      • 1...Sxd4
        • 2.exd4#
      • 1...Sxf4
        • 2.exf4#
      • 1...gxf4
        • 2.exf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(c);CHECK,OGATE,P_SPINB(c),XP(H)::B(J),XB(c)
    • S(a);OGATE::R(A)+P(C)DCHECK,XS(a)
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);CHECK,OGATE,P_SPINB(c),XP(H)::B(J),XB(c)
        • R(b);XP(B)::S(G)
        • B(c);N_PINP(H),OGATE,XR(E)::P(C),XB(c)
        • S(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XS(a)
        • P(e);::R1(E)
        • B(h);::R1(E)
      • Refutation
        • B(h);XP(I)
  • Actual
    • S(G);
    • Threat
      • R1(E)
    • Vars
      • B(c);CHECK,OGATE,P_SPINB(c),XP(H)::B(J),XB(c)
      • R(b);XP(B)::S(G),XR(b)
      • B(c);N_PINP(H),OGATE,XR(E)::P(C),XB(c)
      • B(h);N_GUARD,XP(I)::S(G)
      • S(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XS(a)
      • S(a);OGATE,XS(G)::R(A)+P(C)DCHECK,XS(a)
      • P(f);OGATE,XS(G)::P(C),XP(f)
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