MESON Chess Problem Database

Problem Display
PID: 276206 (7k/3p1K2/4p1P1/R3p3/1nbp2p1/1p1R1p2/r2r1p2/BBQq4 w - - 0 1)

Lozek, Jozef

Pat a Mat, 2004

7k/3p1K2/4p1P1/R3p3/1nbp2p1/1p1R1p2/r2r1p2/BBQq4

#2

7 + 14

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Qh1#
    • 1...Qe2
      • 2.Qh1#
    • 1...Qh1
      • 2.Qxh1#
    • 1...Rab2
      • 2.Ra8#
    • 1...Rac2
      • 2.Ra8#
    • 1...Rdb2
      • 2.Qh6#
    • 1...Rdc2
      • 2.Qh6#
    • 1...Re2
      • 2.Qh6#
    • 1...Rxd3
      • 2.Qh6#
    • 1...Bxd3
      • 2.Qc8#
    • 1...Bb5
      • 2.Qc8#
    • 1...Bd5
      • 2.Qc8#
    • 1...e4
      • 2.Rh5#
  • Tries
    • 1.Rxe5?
      • threat
        • 2.Rh5#
      • 1...Qh1
        • 2.Qxh1#
      • 1...Ra5!
  • Keys
    • 1.Rxb3!
      • threat
        • 2.g7#
      • 1...Qc2
        • 2.Qh1#
      • 1...Rac2
        • 2.Ra8#
      • 1...Rdc2
        • 2.Qh6#
      • 1...Rd3
        • 2.Qh6#
      • 1...Bd3
        • 2.Qc8#
      • 1...Sc2
        • 2.Rb8#
      • 1...Sd3
        • 2.Rb8#
      • 1...d3
        • 2.Bxe5#
      • 1...e4
        • 2.Rh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(a);OGATE::QAB(C)
    • Q(a);OGATE::QAB(C),XQ(a)
    • R(b);N_GUARD::R(E)
    • R(c);OGATE::QAR2(C)
    • R(c);OGATE,XR(D)::QAR2(C)
    • B(h);OGATE,XR(D)::QAR(C)
    • B(h);OGATE::QAR(C)
    • P(k);OGATE,P_SPINP(i)::R(E)
  • Tries
    • Try
      • R(E);XP(k)
      • Threat
        • R(E)
      • Vars
        • Q(a);OGATE::QAB(C),XQ(a)
      • Refutation
        • R(b);
  • Actual
    • R(D);XP(e)
    • Threat
      • P(F)
    • Vars
      • Q(a);OGATE::QAB(C)
      • R(b);N_GUARD::R(E)
      • R(c);OGATE::QAR2(C)
      • B(h);OGATE::QAR(C)
      • S(g);OGATE::R(D)
      • P(i);OGATE,P_SPINP(k)::B(A),XP(k)
      • P(k);OGATE,P_SPINP(i)::R(E)
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Developed and maintained by Brian Stephenson.
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