MESON Chess Problem Database

Problem Display
PID: 183966 (4B3/4R3/4N3/2P1N1P1/3Bkp2/1P5P/7P/4K3 w - - 0 1)

Antonov, Yuri Mikhailovich

Suomen Shakki, 1980

4B3/4R3/4N3/2P1N1P1/3Bkp2/1P5P/7P/4K3

#2

11 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bc6#
    • 1...Kf5
      • 2.Bg6#
  • Tries
    • 1.Kd1?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.Kf1?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.Kd2?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.Ke2?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3+!
    • 1.Kf2?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.Bb5?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bd3#
      • 1...f3!
    • 1.Bh5?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.b4?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
    • 1.h4?
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#
      • 1...f3!
  • Keys
    • 1.Sf3!
      • 1...Kd3
        • 2.Bg6#
      • 1...Kxf3
        • 2.Bc6#
      • 1...Kd5
        • 2.Sxf4#
        • 2.Sc7#
      • 1...Kf5
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::B(K)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • B(K);
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • B(K);
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::B(K)
      • Refutation
        • P(b);
  • Actual
    • S(G);
    • Vars
      • K(a);S_FLIGHT::B(K)
      • K(a);S_FLIGHT,XS(G)::B(K)
      • K(a);S_FLIGHT::S(I)
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