MESON Chess Problem Database

Problem Display
PID: 141144 (8/3KB3/2PRP3/3P4/1k6/bNp5/1N1P4/3Q1B2 w - - 0 1)

Velimirovic, Milan

Mat, 1979

8/3KB3/2PRP3/3P4/1k6/bNp5/1N1P4/3Q1B2

#2

11 + 3

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qxc3#
        • 2.dxc3#
      • 1...cxb2
        • 2.Qc4#
      • 1...cxd2
        • 2.Qc4#
      • 1...Bxb2!
  • Keys
    • 1.c7!
      • threat
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
      • 1...Bxb2
        • 2.Ra6#
      • 1...cxb2
        • 2.Ra6#
      • 1...cxd2
        • 2.Rc6#
      • 1...c2
        • 2.Rb6#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);OGATE,XS(C)::QAR1(A)
        • P(b);OGATE,XP(D)::QAR1(A)
      • Refutation
        • B(a);XS(C)
  • Actual
    • P(G);
    • Threat
      • DUALS(3)
    • Vars
      • B(a);XS(C)::B(K)+R(H)
      • P(b);XS(C)::B(K)+R(H)
      • P(b);XP(D)::B(K)+R(H)
      • P(b);::B(K)+R(H),DCHECK
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