MESON Chess Problem Database

Problem Display
PID: 169918 (8/1qp5/5PKp/6p1/3br1kr/8/5RPB/3b1Q1N w - - 0 1)

Sotto-Mayor Rego, Jorge

SEPA, 1945

8/1qp5/5PKp/6p1/3br1kr/8/5RPB/3b1Q1N

#2

7 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.gxf3#
    • 1...Bxf2
      • 2.Sxf2#
    • 1...Be3
      • 2.Qxd1#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qg3#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Rh3
        • 2.Qxh3#
      • 1...Qb3
        • 2.Qxe4#
      • 1...Re3
        • 2.Qf5#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be3
        • 2.Qxd1#
      • 1...Be5
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::P(D),XB(a)
    • B(b);XR(C)::S(B),XB(b)
    • B(b);S_CUTR(c)::QAB(A),XB(a)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • B(b);XR(C)::S(B),XB(b)
      • R(e);N_GUARD::QAB1(A),XR(e)
      • Q(h);N_GUARD::QAR2(A),XR(c)
      • R(c);OGATE::QAB1(A)
      • B(a);N_GUARD::QAB1(A),XB(a)
      • B(b);S_CUTR(c)::QAB(A),XB(a)
      • B(b);OGATE::QAB(A)
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