MESON Chess Problem Database

Problem Display
PID: 95096 (8/3Q1p2/3K1B2/p4P2/1p2PkP1/3R3R/8/8 w - - 0 1)

Mlynka, Karol

Pravda - Tirnavia, 1988

8/3Q1p2/3K1B2/p4P2/1p2PkP1/3R3R/8/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Rd4#
    • 1...Kxg4
      • 2.Rh4#
  • Tries
    • 1.Be5+?
      • 1...Kxe4
        • 2.Rde3#
        • 2.Rd4#
        • 2.Rhe3#
        • 2.Qc6#
        • 2.Qb7#
      • 1...Kxg4
        • 2.Rdg3#
      • 1...Kg5!
    • 1.Bg5+?
      • 1...Kxe4
        • 2.Rhe3#
        • 2.Qc6#
        • 2.Qe8#
        • 2.Qb7#
        • 2.Qe7#
      • 1...Kxg4
        • 2.Rdg3#
      • 1...Kxg5!
    • 1.Rdf3+?
      • 1...Kxe4
        • 2.Qc6#
        • 2.Qe8#
        • 2.Qb7#
        • 2.Qe7#
      • 1...Kxg4!
    • 1.Rhf3+?
      • 1...Kxe4
        • 2.Rde3#
        • 2.Qc6#
        • 2.Qe8#
        • 2.Qb7#
        • 2.Qe7#
      • 1...Kxg4!
    • 1.e5?
      • threat
        • 2.Rd4#
      • 1...Kxg4
        • 2.Rh4#
      • 1...Ke4!
    • 1.g5?
      • threat
        • 2.Rh4#
      • 1...Kxe4
        • 2.Rd4#
      • 1...Kg4!
  • Keys
    • 1.Qa4!
      • 1...Kxe4
        • 2.Rd4#
      • 1...Kxg4
        • 2.Rh4#
      • 1...b3
        • 2.e5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,XP(C)::R1(A)
    • K(b);OGATEB,P-FLIGHT,XP(D)::R1(B)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::R1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::R1(A)
      • Refutation
        • K(b);S_FLIGHT,XB(G)
    • Try
      • R(A);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • R(B);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • P(C);
      • Threat
        • R(A)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(D)::R1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);
      • Threat
        • R(B)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(C)::R1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINP(a),XP(C)::R1(A)
      • K(b);OGATEB,P-FLIGHT,XP(D)::R1(B)
      • P(a);::QAR(H)+P(C)
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