MESON Chess Problem Database

Problem Display
PID: 215689 (7Q/5R2/3Pk2K/N3P3/8/8/5P1B/4R3 w - - 0 1)

Chocolous, Jiri

Dresdner Nachrichten, 1882

7Q/5R2/3Pk2K/N3P3/8/8/5P1B/4R3

#2

9 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf7
      • 2.e6#
  • Tries
    • 1.Kg5?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Kh5?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Kh7?
      • 1...Kxf7
        • 2.Qg8#
        • 2.e6#
      • 1...Kd5!
    • 1.Sb3?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Sc4?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Sc6?
      • 1...Kxf7
        • 2.Sd8#
        • 2.e6#
      • 1...Kd5!
    • 1.Sb7?
      • 1...Kxf7
        • 2.Sd8#
        • 2.e6#
      • 1...Kd5!
    • 1.Bg1?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Bg3?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Bf4?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Rg1?
      • 1...Kxf7
        • 2.Qg8#
      • 1...Kd5!
    • 1.Re2?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Re3?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Re4?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.Rf3?
      • 1...Kd7
        • 2.e6#
      • 1...Kd5!
    • 1.Rf6+?
      • 1...Kd7
        • 2.e6#
      • 1...Kd5!
    • 1.Ra7?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Rb7?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Rc7?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Re7+?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Rg7?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Rh7?
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd5!
    • 1.Rf8?
      • 1...Kd7
        • 2.e6#
      • 1...Kd5!
    • 1.Qc8+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kxf7!
    • 1.Qd8?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.f3?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.f4?
      • 1...Kxf7
        • 2.e6#
      • 1...Kd5!
    • 1.d7?
      • 1...Kxf7
        • 2.Qe8#
      • 1...Kd5!
  • Keys
    • 1.Rf5!
      • 1...Kd5
        • 2.e6#
      • 1...Kxf5
        • 2.Qc8#
      • 1...Kd7
        • 2.e6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(G);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(H)::QAB1(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(I)
      • Refutation
        • K(a);S_FLIGHT,XR(H)
    • Try
      • Q(I);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(H)::P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT,XR(H)::QAB1(I)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(H);
    • Vars
      • K(a);OGATE,S_FLIGHT::R(H)+P(E)
      • K(a);S_FLIGHT,XR(H)::QAB(I)
      • K(a);OGATE,S_FLIGHT::P(E)
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