MESON Chess Problem Database

Problem Display
PID: 49834 (8/3N4/5N2/8/2pk4/2pP4/2R2P2/R3K3 w Q - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/3N4/5N2/8/2pk4/2pP4/2R2P2/R3K3

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.0-0-0#
    • 1...cxd3
      • 2.Ra4#
  • Tries
    • 1.Kd1?
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Kf1?
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Rb1?
      • 1...cxd3
        • 2.Rb4#
      • 1...Kxd3!
    • 1.Raa2?
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra5?
      • threat
        • 2.Rd5#
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra6?
      • threat
        • 2.Rd6#
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra7?
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra8?
      • 1...cxd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Rca2?
      • 1...Kxd3
        • 2.Rd1#
        • 2.0-0-0#
      • 1...cxd3
        • 2.Ra4#
      • 1...c2!
    • 1.Re2?
      • 1...Kxd3
        • 2.Rd1#
      • 1...cxd3
        • 2.Ra4#
        • 2.Re4#
      • 1...c2!
  • Keys
    • 1.Ra3!
      • 1...Kxd3
        • 2.Rd2#
      • 1...cxd3
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,XP(E)::0-0-0
    • P(b);OGATEB,SBLOCK,XP(E)::R(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
    • Try
      • R(C);
      • Vars
        • P(b);OGATEB,SBLOCK,XP(E)::R(C)
      • Refutation
        • P(a);
    • Try
      • R(C);
      • Vars
        • K(c);OGATEB,P-FLIGHT,XP(E)::R(A)
      • Refutation
        • P(a);
  • Actual
    • R(A);
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(a),XP(E)::R1(C)
      • P(b);OGATEB,SBLOCK,XP(E)::R(A)
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