MESON Chess Problem Database

Problem Display
PID: 223297 (2R5/5R2/3n4/3k4/K2P1p2/5p2/N4B2/3Q4 w - - 0 1)

Sardotsch, Nicolo

Charleston Sunday News, 1885

2R5/5R2/3n4/3k4/K2P1p2/5p2/N4B2/3Q4

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
  • Tries
    • 1.Sb4+?
      • 1...Ke4
        • 2.Qc2#
        • 2.Qb1#
        • 2.Qe1#
        • 2.Qd3#
      • 1...Ke6!
    • 1.Rf6?
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Se4
        • 2.Sb4#
        • 2.Qb3#
      • 1...Sb5
        • 2.Qxf3#
      • 1...Sxc8!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Re5#
        • 2.Re7#
        • 2.Qc2#
        • 2.Qb1#
      • 1...Ke6!
    • 1.Rd8?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Kc6
        • 2.d5#
      • 1...Ke6!
  • Keys
    • 1.Rc6!
      • 1...Ke4
        • 2.Sc3#
      • 1...Kxc6
        • 2.d5#
      • 1...Ke6
        • 2.Qb3#
      • 1...Sxf7
        • 2.Qxf3#
      • 1...Sc4
        • 2.Qxf3#
      • 1...Se4
        • 2.Sb4#
      • 1...Sb5
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qxf3#
      • 1...Sb7
        • 2.Qxf3#
      • 1...Sc8
        • 2.Qxf3#
      • 1...Se8
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(B)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • S(B)
      • Vars
        • K(c);S_FLIGHT::S(B)
        • S(d);N_GUARD::QAB(A),XP(a)
      • Refutation
        • S(d);XR(G)
    • Try
      • R(G);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(G);P_PINS(d)
      • Vars
        • K(c);N_SPINS(d),S_FLIGHT::QAB1(A)
        • K(c);N_SPINS(d),S_FLIGHT::S(B)
        • K(c);N_SPINS(d),OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(c);N_SPINS(d),S_FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(c);S_FLIGHT::S(B)
      • K(c);OGATE,S_FLIGHT,XR(G)::P(E)
      • K(c);P_SPINS(d),S_FLIGHT::QAB(A)
      • S(d);N_GUARD,XR(F)::QAB(A),XP(a)
      • S(d);N_GUARD::QAB(A),XP(a)
      • S(d);SBLOCK::S(B)
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