MESON Chess Problem Database

Problem Display
PID: 99271 (n5n1/6Q1/7p/p2NB2P/rb4P1/prPp1k2/Pp1PbN1P/1K1B1R2 w - - 0 1)

Loewenton, Leon

Magyar Sakkelet, 1952

n5n1/6Q1/7p/p2NB2P/rb4P1/prPp1k2/Pp1PbN1P/1K1B1R2

#2

13 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6+?
      • 1...Kg2
        • 2.Se3#
      • 1...Sxf6!
    • 1.Qf7+?
      • 1...Kg2
        • 2.Se3#
      • 1...Sf6!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Se3#
        • 2.Sxb4#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Kg2
        • 2.Se3#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Bxd1
        • 2.Sf4#
      • 1...Bxc3
        • 2.Sb4#
      • 1...Bc5
        • 2.Sb4#
      • 1...Bd6
        • 2.Sb4#
      • 1...Be7
        • 2.Sb4#
      • 1...Bf8
        • 2.Sb4#
      • 1...Sb6
        • 2.Sxb6#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Se7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(M);CHECK
      • Vars
        • K(f);N_SPINB(b),S_FLIGHT::S(J)
      • Refutation
        • S(l);XQ(M)
    • Try
      • Q(M);CHECK
      • Vars
        • K(f);N_SPINB(b),S_FLIGHT::S(J)
      • Refutation
        • S(l);P_SPINS(l)
  • Actual
    • Q(M);
    • Threat
      • DUALS(7)
    • Vars
      • K(f);N_SPINB(b),S_FLIGHT::QAB(M)+S(J),DCHECK
      • R(d);XP(H)::QAB(M)+S(J),XR(d)
      • B(b);N_SPINB(b),XB(B)::QAB(M)+S(J)
      • B(h);XP(H)::QAB(M)+S(J)
      • B(h);::QAB(M)+S(J)
      • S(k);::QAB(M)+S(J),XS(k)
      • S(l);::QAB(M)+S(J),XS(l)
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