MESON Chess Problem Database

Problem Display
PID: 149451 (3N1K2/3PPp2/3k1N2/1b4P1/6P1/1Qn5/n7/6B1 w - - 0 1)

Dehler, Ernst Georg

Bekesmegyei Fueggetlertseg, 1913

3N1K2/3PPp2/3k1N2/1b4P1/6P1/1Qn5/n7/6B1

#2

9 + 5

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qb8#
    • 1...Be2
      • 2.Qb8#
    • 1...Bd3
      • 2.Qb8#
    • 1...Ba4
      • 2.Qb8#
    • 1...Bc4
      • 2.Qb8#
    • 1...Ba6
      • 2.Qb8#
    • 1...Bc6
      • 2.Qb8#
    • 1...Bxd7
      • 2.Qb8#
    • 1...Sb1
      • 2.Qg3#
    • 1...Sd1
      • 2.Qg3#
    • 1...Sa4
      • 2.Qg3#
  • Tries
    • 1.Bd4?
      • threat
        • 2.e8S#
      • 1...Bxd7
        • 2.Qb8#
      • 1...Kc7!
    • 1.Qd5+?
      • 1...Kc7
        • 2.Qe5#
      • 1...Sxd5!
    • 1.Qe6+?
      • 1...Kc7
        • 2.Bh2#
        • 2.Qe5#
        • 2.Qb6#
      • 1...fxe6!
    • 1.Qxc3?
      • threat
        • 2.Bh2#
        • 2.Qg3#
        • 2.Qc5#
        • 2.e8S#
      • 1...Bxd7
        • 2.Bh2#
        • 2.Qg3#
        • 2.Qc5#
      • 1...Bc4
        • 2.Qg3#
        • 2.e8S#
      • 1...Bc6
        • 2.Bh2#
        • 2.Qg3#
        • 2.e8S#
      • 1...Bd3
        • 2.Bh2#
        • 2.Qc5#
        • 2.e8S#
      • 1...Sxc3!
    • 1.Qb4+?
      • 1...Ke5
        • 2.Bh2#
        • 2.Qd4#
        • 2.e8Q#
        • 2.e8R#
      • 1...Kc7
        • 2.Qf4#
      • 1...Sxb4!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qh2#
      • 1...Ke5
        • 2.Qh2#
      • 1...Kc7
        • 2.Qh2#
      • 1...Be2
        • 2.Qb8#
      • 1...Se2
        • 2.e8S#
      • 1...Se4
        • 2.e8S#
      • 1...Sd5
        • 2.e8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 10
  • Sets
    • B(c);OGATE::QAB(B)
    • B(c);OGATE,XP(F)::QAB(B)
    • S(b);OGATE::QAB(B)
  • Tries
    • Try
      • B(A);
      • Threat
        • P=S
      • Vars
        • B(c);OGATE,XP(F)::QAB(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB(B)
      • Refutation
        • S(b);XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(e);XQ(B)
    • Try
      • Q(B);XS(b)
      • Threat
        • DUALS(4)
      • Refutation
        • S(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB(B)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • K(d);P_SPINS(b),S_FLIGHT::QAB(B)
      • K(d);S_FLIGHT::QAB(B)
      • B(c);OGATE::QAB(B)
      • S(b);::P=S
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