MESON Chess Problem Database

Problem Display
PID: 50166 (8/6p1/4p1B1/3pP2P/3P1k2/4pP2/6R1/2B1K2R w K - 0 1)

Gruber, Bratoljub

Problem (Zagreb), 1955

8/6p1/4p1B1/3pP2P/3P1k2/4pP2/6R1/2B1K2R

#2

9 + 5

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.0-0#
  • Tries
    • 1.Bb2?
      • 1...Kxf3
        • 2.0-0#
      • 1...e2!
    • 1.Bd2?
      • 1...Kxf3
        • 2.0-0#
      • 1...exd2+!
    • 1.Ba3?
      • 1...Kxf3
        • 2.0-0#
      • 1...e2!
    • 1.Be4?
      • threat
        • 2.Rh4#
        • 2.Rg4#
      • 1...g5
        • 2.Rg4#
      • 1...dxe4!
    • 1.Rf2?
      • 1...Kg5
        • 2.Bxe3#
      • 1...Kg3!
    • 1.h6?
      • 1...Kxf3
        • 2.0-0#
      • 1...gxh6!
  • Keys
    • 1.Rg5!
      • 1...Kxf3
        • 2.Rf1#
      • 1...Kxg5
        • 2.Bxe3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),P-FLIGHT,XP(E)::0-0
  • Tries
    • Try
      • B(A);N_PINP(a)
      • Vars
        • K(b);P-FLIGHT,XP(E)::0-0
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,XP(E)::0-0
      • Refutation
        • P(a);CHECK,N_SPINP(a),XB(A)
    • Try
      • B(A);N_PINP(a)
      • Vars
        • K(b);P-FLIGHT,XP(E)::0-0
      • Refutation
        • P(a);
    • Try
      • B(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);::R1(D)
      • Refutation
        • P(c);XB(I)
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::B(A),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • P(H);
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,XP(E)::0-0
      • Refutation
        • P(e);XP(H)
  • Actual
    • R(D);
    • Vars
      • K(b);N_SPINP(a),OGATEB,P-FLIGHT,XP(E)::R(C)
      • K(b);S_FLIGHT,XR(D)::B(A),XP(a)
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