MESON Chess Problem Database

Problem Display
PID: 245743 (8/3p4/8/1q1Q1N1K/1p2B2B/4p3/1br1k2n/2rnN2R w - - 0 1)

Wrobel, Marian

Revista Romana de Sah, 1926

8/3p4/8/1q1Q1N1K/1p2B2B/4p3/1br1k2n/2rnN2R

#2

7 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Qxd3#
    • 1...Qa4
      • 2.Qd3#
    • 1...Qc6
      • 2.Qd3#
    • 1...Qa5
      • 2.Qd3#
    • 1...Qc5
      • 2.Qd3#
    • 1...Qb6
      • 2.Qd3#
    • 1...Qb7
      • 2.Qd3#
    • 1...Qb8
      • 2.Qd3#
    • 1...Rc4
      • 2.Qd3#
    • 1...Sf2
      • 2.Sg3#
    • 1...Sf1
      • 2.Bf3#
    • 1...Sf3
      • 2.Bxf3#
    • 1...Sg4
      • 2.Bf3#
  • Tries
    • 1.Bd3+?
      • 1...Qxd3
        • 2.Qxd3#
      • 1...Kd2!
    • 1.Qxb5+?
      • 1...Kd2
        • 2.Qd3#
      • 1...Rc4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Re1#
      • 1...Sxf3
        • 2.Bxf3#
      • 1...Bc3
        • 2.Qxb5#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sc3
        • 2.S5d4#
      • 1...Sf1
        • 2.Sg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(i);N_GUARD::QAB1(E),XQ(i)
    • Q(i);N_GUARD::QAB1(E)
    • R(d);S_CUTQ(i)::QAB1(E)
    • S(b);SBLOCK::S(F)
    • S(f);N_GUARD::B(C)
    • S(f);N_GUARD::B(C),XS(f)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • Q(i);OGATE,XB(C)::QAB1(E),XQ(i)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • Q(E);CHECK,XQ(i)
      • Vars
        • K(e);P-FLIGHT::QAR1(E)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • S(A);
    • Threat
      • R1(B)
    • Vars
      • S(f);OGATE,XS(A)::B(C),XS(f)
      • B(c);S_CUTR(d)::QAB(E),XQ(i)
      • S(b);SBLOCK::S(F)
      • S(b);S_CUTB(c)::S(F)
      • S(f);SBLOCK::S(A)
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