MESON Chess Problem Database

Problem Display
PID: 198810 (1R6/3kN1P1/4nPK1/B1P3p1/5pP1/5P2/4R3/8 w - - 0 1)

Griliches, Samuelis Salmanas

Laisvoji Lietuva, 1921

1R6/3kN1P1/4nPK1/B1P3p1/5pP1/5P2/4R3/8

#2

10 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Rd8#
    • 1...Sxc5
      • 2.Rd8#
    • 1...Sxg7
      • 2.Rd8#
    • 1...Sd8
      • 2.Rxd8#
    • 1...Sf8+
      • 2.gxf8S#
  • Tries
    • 1.Kh6?
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sf8
        • 2.Rd8#
        • 2.gxf8S#
      • 1...Sc7!
    • 1.Kf7?
      • 1...Sd8+
        • 2.Rxd8#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd2#
        • 2.Rb7#
        • 2.Rd8#
      • 1...Sd4
        • 2.Rb7#
        • 2.Rd8#
      • 1...Sf8
        • 2.Rd2#
        • 2.Rb7#
        • 2.Rd8#
        • 2.gxf8S#
      • 1...Sc7!
    • 1.Kh7?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Bb6?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Re1?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Re4?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Re5?
      • threat
        • 2.Rd5#
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Rb7+?
      • 1...Ke8
        • 2.f7#
      • 1...Sc7!
    • 1.Ra8?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.Rc8?
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rd8#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Sd4
        • 2.Rd8#
      • 1...Sc7!
    • 1.g8Q?
      • threat
        • 2.Qxe6#
        • 2.Qc8#
        • 2.Qe8#
      • 1...Sxc5
        • 2.Rd8#
        • 2.Qd5#
        • 2.Qd8#
      • 1...Sc7
        • 2.Rd8#
        • 2.Qc8#
        • 2.Qd8#
      • 1...Sd4
        • 2.Rb7#
        • 2.Rd8#
        • 2.Qd5#
        • 2.Qc8#
        • 2.Qd8#
        • 2.Qe8#
      • 1...Sg7
        • 2.Rd2#
        • 2.Rb7#
        • 2.Rd8#
        • 2.Qd5#
        • 2.Qc8#
        • 2.Qd8#
      • 1...Sd8
        • 2.Rd2#
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Sf8+!
    • 1.g8R?
      • 1...Sxc5
        • 2.Rbd8#
        • 2.Rgd8#
      • 1...Sc7
        • 2.Rbd8#
        • 2.Rgd8#
      • 1...Sd4
        • 2.Rb7#
        • 2.Rbd8#
        • 2.Rgd8#
      • 1...Sg7
        • 2.Rb7#
        • 2.Rbd8#
        • 2.Rgd8#
      • 1...Sd8
        • 2.Rbxd8#
        • 2.Rgxd8#
      • 1...Sf8+!
  • Keys
    • 1.f7!
      • 1...Sf8+
        • 2.gxf8S#
      • 1...Kxe7
        • 2.Rb7#
      • 1...Sxc5
        • 2.Rd8#
      • 1...Sxg7
        • 2.Rb7#
        • 2.Rd8#
        • 2.f8S#
      • 1...Sc7
        • 2.f8S#
      • 1...Sd4
        • 2.Rb7#
        • 2.Rd8#
        • 2.f8S#
      • 1...Sd8
        • 2.Rxd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(c);N_GUARD::R1(J)
    • S(c);N_GUARD,XP(E)::R1(J)
    • S(c);N_GUARD,XP(I)::R1(J)
    • S(c);N_GUARD::R1(J),XS(c)
    • S(c);CHECK,OGATE::PXS(c)=S
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • K(G);S_FLIGHT
      • Vars
        • S(c);CHECK,N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD,XP(E)::R1(J)
      • Refutation
        • S(c);
    • Try
      • K(G);S_FLIGHT
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • B(D);
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • R(J);CHECK
      • Vars
        • K(d);S_FLIGHT::P(F)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • R(J);
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • R(J);
      • Vars
        • S(c);CHECK,OGATE::PXS(c)=S
        • S(c);N_GUARD,XP(E)::R1(J)
        • S(c);N_GUARD,XP(I)::R1(J)
        • S(c);N_GUARD::R1(J),XS(c)
        • S(c);N_GUARD::R1(J)
      • Refutation
        • S(c);
    • Try
      • P(I);
      • Threat
        • DUALS(3)
      • Refutation
        • S(c);CHECK
    • Try
      • P(I);
      • Refutation
        • S(c);CHECK
  • Actual
    • P(F);
    • Vars
      • S(c);CHECK,OGATE::PXS(c)=S
      • K(d);P-FLIGHT,P_SPINS(c),XS(H)::R(J)
      • S(c);N_GUARD,XP(E)::R1(J)
      • S(c);N_GUARD::P=S
      • S(c);N_GUARD::R1(J),XS(c)
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