MESON Chess Problem Database

Problem Display
PID: 264816 (8/6p1/3K2Pb/5p1r/1Bpk1p1p/4pP1N/1n4NQ/1B6 w - - 0 1)

Simoni, Francesco

Comm., Castellari MT (Sinfonie Scacchistiche), 1978-1980

8/6p1/3K2Pb/5p1r/1Bpk1p1p/4pP1N/1n4NQ/1B6

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qxf4#
    • 1...e2
      • 2.Qg1#
  • Tries
    • 1.Sgxf4?
      • threat
        • 2.Se2#
        • 2.Se6#
      • 1...Bxf4+
        • 2.Qxf4#
      • 1...e2
        • 2.Qg1#
        • 2.Qf2#
      • 1...c3!
    • 1.Sg1?
      • threat
        • 2.Se2#
      • 1...e2
        • 2.Sxe2#
      • 1...c3!
    • 1.Shxf4?
      • threat
        • 2.Se2#
        • 2.Se6#
      • 1...Bxf4+
        • 2.Qxf4#
      • 1...e2
        • 2.Sxe2#
        • 2.Se6#
        • 2.Qg1#
      • 1...c3!
    • 1.Sg5?
      • threat
        • 2.Se6#
        • 2.Qxf4#
      • 1...Rxg5
        • 2.Qxf4#
      • 1...c3
        • 2.Qxf4#
      • 1...Sd3
        • 2.Se6#
      • 1...Bxg5!
  • Keys
    • 1.Sxe3!
      • 1...Kxe3
        • 2.Qf2#
      • 1...fxe3
        • 2.Qe5#
      • 1...Bg5
        • 2.Sxf5#
      • 1...Rg5
        • 2.Qxf4#
      • 1...Sd1
        • 2.Qd2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sa4
        • 2.Qd2#
      • 1...c3
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(h);S_CUTB(i)::QAR2(C),XP(e)
    • P(b);OGATEB::QAB(C)
  • Tries
    • Try
      • S(B);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(i);CHECK,OGATE,XS(B)::QAR2(C),XB(i)
      • Refutation
        • P(c);
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • P(b);::S(E),XP(b)
      • Refutation
        • P(c);
    • Try
      • S(E);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(i);CHECK,OGATE,XS(E)::QAR2(C),XB(i)
      • Refutation
        • P(c);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);XS(E)::QAR2(C),XP(e)
        • P(c);::QAR2(C),XP(e)
        • S(a);::S(E)
      • Refutation
        • B(i);XS(E)
  • Actual
    • S(B);XP(b)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(B)::QAB1(C)
      • P(e);OGATE,XS(B)::QAB1(C)
      • B(i);S_CUTR(h)::S(B),XP(g)
      • R(h);S_CUTB(i)::QAR2(C),XP(e)
      • S(a);N_GUARD::QAR2(C)
      • S(a);SBLOCK::S(B)
      • P(c);SBLOCK::B(F)
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