MESON Chess Problem Database

Problem Display
PID: 104609 (8/8/5p2/2N5/pKNkPp2/3P2r1/p4Rp1/1b5Q w - - 0 1)

Subotic, Miroslav

Mezija, 1995

8/8/5p2/2N5/pKNkPp2/3P2r1/p4Rp1/1b5Q

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Qa1#
    • 1...Bxd3
      • 2.Qa1#
  • Tries
    • 1.Rf3?
      • threat
        • 2.Se6#
        • 2.Qg1#
      • 1...Bxd3
        • 2.Qa1#
        • 2.Qg1#
      • 1...gxh1Q
        • 2.Se6#
      • 1...gxh1S
        • 2.Se6#
      • 1...gxh1B
        • 2.Se6#
      • 1...gxh1R
        • 2.Se6#
      • 1...g1Q
        • 2.Se6#
      • 1...g1S
        • 2.Se6#
      • 1...g1B
        • 2.Se6#
      • 1...g1R
        • 2.Se6#
      • 1...Rxf3!
    • 1.Qd1?
      • threat
        • 2.Se6#
      • 1...Bxd3
        • 2.Qa1#
      • 1...Rxd3!
    • 1.Qg1?
      • threat
        • 2.Rf3#
      • 1...Rxd3
        • 2.Rd2#
      • 1...Rf3
        • 2.Rxf3#
      • 1...f3
        • 2.Rxf3#
      • 1...Re3!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Se6#
      • 1...Rxd3
        • 2.Qg1#
      • 1...Bxd3
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATE::QAB(A)
    • B(a);OGATE,XP(C)::QAB(A)
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XQ(A)::S(G)
        • P(c);::S(G)
      • Refutation
        • R(d);XR(B)
    • Try
      • Q(A);
      • Threat
        • S(G)
      • Vars
        • B(a);OGATE,P_SPINB(a),XP(C)::QAB(A)
      • Refutation
        • R(d);P_SPINR(d),XP(C)
    • Try
      • Q(A);
      • Threat
        • QAB(A)+R(B)
      • Vars
        • R(d);N_GUARD,XP(C)::QAB(A)+R(B)
        • R(d);::QAB(A)+R(B),XR(d)
        • P(g);::QAB(A)+R(B),XP(g)
      • Refutation
        • R(d);
  • Actual
    • R(B);
    • Threat
      • S(G)
    • Vars
      • R(d);N_GUARD,P_SPINR(d),XP(C)::QAB(A)
      • B(a);OGATE,P_SPINB(a),XP(C)::QAB(A)
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