MESON Chess Problem Database

Problem Display
PID: 238769 (3R4/3B4/p5p1/R5K1/3N4/2BkP3/P3N1P1/6Q1 w - - 0 1)

Janevski, Zivko

Mat, 1981

3R4/3B4/p5p1/R5K1/3N4/2BkP3/P3N1P1/6Q1

#2

11 + 3

15148 Sadier Collection 2021
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Kxg6?
      • 1...Ke4
        • 2.Bf5#
      • 1...Kc4!
    • 1.Sc1+?
      • 1...Kc4
        • 2.Rc8#
      • 1...Ke4
        • 2.Bc6#
        • 2.Re8#
      • 1...Kxc3!
    • 1.Sf4+?
      • 1...Kc4
        • 2.Rc8#
      • 1...Ke4
        • 2.Bc6#
        • 2.Re8#
      • 1...Kxc3!
    • 1.Sb3?
      • 1...Kxe2
        • 2.Sc1#
        • 2.Bg4#
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kc2!
    • 1.Sf3?
      • 1...Kc2
        • 2.Ba4#
      • 1...Kc4
        • 2.Se5#
        • 2.Be6#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kxe2!
    • 1.Sc6?
      • 1...Kc2
        • 2.Sb4#
      • 1...Kxe2
        • 2.Bg4#
      • 1...Kc4
        • 2.Se5#
        • 2.Be6#
      • 1...Ke4!
    • 1.Se6?
      • 1...Kc2
        • 2.Ba4#
      • 1...Kxe2
        • 2.Sf4#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kc4!
    • 1.Ba4?
      • 1...Ke4
        • 2.Bc2#
      • 1...Kc4!
    • 1.Bf5+?
      • 1...Kc4
        • 2.Rc8#
      • 1...gxf5!
    • 1.Bc8?
      • 1...Kc4
        • 2.Bxa6#
      • 1...Ke4!
    • 1.Be8?
      • 1...Ke4
        • 2.Bxg6#
      • 1...Kc4!
    • 1.Re5?
      • 1...a5
        • 2.Bb5#
      • 1...Kc4!
    • 1.Qb1+?
      • 1...Kc4
        • 2.Be6#
        • 2.Rc8#
      • 1...Kxe3!
    • 1.Qd1+?
      • 1...Kc4
        • 2.Be6#
        • 2.Rc8#
      • 1...Ke4
        • 2.Re8#
      • 1...Kxe3!
  • Keys
    • 1.Sc2!
      • 1...Kxc2
        • 2.Ba4#
      • 1...Kxe2
        • 2.Bg4#
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4
        • 2.Bc6#

Anticipated by 42838(1975)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);P-FLIGHT,XP(c)
      • Vars
        • K(a);S_FLIGHT::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(K)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(K)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(J)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::S(G)
        • K(a);S_FLIGHT,XS(C)::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(J)
        • K(a);S_FLIGHT,XS(C)::S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(J);
      • Vars
        • K(a);S_FLIGHT::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(J);CHECK
      • Vars
        • K(a);S_FLIGHT::R(K)
      • Refutation
        • P(c);XB(J)
    • Try
      • B(J);
      • Vars
        • K(a);S_FLIGHT::B(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(J);
      • Vars
        • K(a);S_FLIGHT::B(J),XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • P(b);N_GUARD::B(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R(K)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
  • Actual
    • S(G);
    • Vars
      • K(a);S_FLIGHT,XS(G)::B(J)
      • K(a);S_FLIGHT,XS(C)::B(J)
      • K(a);S_FLIGHT::B(J)
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