MESON Chess Problem Database

Problem Display
PID: 244722 (8/8/8/8/P1k1P1b1/P3B3/1KP2rQ1/4N3 w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

8/8/8/8/P1k1P1b1/P3B3/1KP2rQ1/4N3

#2

8 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc2+
      • 2.Qxc2#
    • 1...Rf3
      • 2.Qe2#
    • 1...Bf3
      • 2.Qg8#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Se5#
      • 1...Rxc2+
        • 2.Qxc2#
      • 1...Rf5!
    • 1.Qxg4?
      • threat
        • 2.Qe6#
        • 2.Qc8#
      • 1...Rd2
        • 2.Qc8#
      • 1...Rf5
        • 2.Qe2#
      • 1...Rf6
        • 2.Qe2#
      • 1...Rf7
        • 2.Qe2#
        • 2.Qe6#
      • 1...Rf8
        • 2.Qe2#
        • 2.Qe6#
      • 1...Rxc2+!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Se5#
      • 1...Rxc2+
        • 2.Qxc2#
      • 1...Rxf3
        • 2.Qe2#
      • 1...Bxf3
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);CHECK,OGATE,XP(C)::QAR2(D),XR(a)
    • R(a);N_PINP(C),OGATE::QAB(D)
    • B(c);OGATE::QAB(D)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • R(a);CHECK,OGATE,XP(C)::QAR2(D),XR(a)
      • Refutation
        • R(a);N_PINP(C)
    • Try
      • Q(D);XB(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAR(D)
        • R(a);N_GUARD,N_PINP(C)::QAB(D)
      • Refutation
        • R(a);CHECK,XP(C)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(a);CHECK,OGATE,XP(C)::QAR2(D),XR(a)
      • R(a);N_PINP(C),OGATE,XS(A)::QAB(D)
      • B(c);OGATE,XS(A)::QAB(D)
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