MESON Chess Problem Database

Problem Display
PID: 235394 (K4R2/7p/p5r1/2Bpk3/4PN2/4n3/2N4n/1B5Q w - - 0 1)

Paslack, Rainer

Gaudium, 2010

K4R2/7p/p5r1/2Bpk3/4PN2/4n3/2N4n/1B5Q

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Bd4#
    • 1...Re6
      • 2.Sd3#
    • 1...Sd1
      • 2.Rf5#
    • 1...Sf1
      • 2.Rf5#
    • 1...Sxc2
      • 2.Rf5#
    • 1...Sc4
      • 2.Rf5#
    • 1...Sg4
      • 2.Rf5#
    • 1...Sf5
      • 2.Rxf5#
  • Tries
    • 1.Se1?
      • threat
        • 2.Sed3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sg2
        • 2.Rf5#
      • 1...Rg2!
    • 1.Sb4?
      • threat
        • 2.Sbd3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Rg2
        • 2.Sc6#
      • 1...Sg2
        • 2.Rf5#
      • 1...Sf3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sd3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Rg2
        • 2.Sc6#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sg2
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(f);SBLOCK::B(F)
    • R(f);SBLOCK::S(E)
    • S(b);N_GUARD::R1(H)
    • S(b);N_GUARD,XS(C)::R1(H)
    • S(b);N_GUARD::R1(H),XS(b)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(c);OGATE,XP(D)::QAR1(B),XP(c)
        • S(a);N_GUARD::S(C),XS(a)
        • S(b);N_GUARD::R1(H)
      • Refutation
        • R(f);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(c);OGATE,XP(D)::QAR1(B),XP(c)
        • R(f);N_GUARD::S(C)
        • S(b);N_GUARD::R1(H)
      • Refutation
        • S(a);
  • Actual
    • S(C);
    • Threat
      • S(E)
    • Vars
      • P(c);OGATE,XP(D)::QAR1(B),XP(c)
      • R(f);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • S(b);N_GUARD::R1(H)
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