MESON Chess Problem Database

Problem Display
PID: 259626 (6n1/8/3R1ppn/4PkP1/2N1Nr2/7P/5K2/3Q1R1B w - - 0 1)

Sacconi, Antonio

L'Italia Scacchistica, 1960

6n1/8/3R1ppn/4PkP1/2N1Nr2/7P/5K2/3Q1R1B

#2

10 + 6

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Ke1?
      • 1...fxe5
        • 2.Se3#
      • 1...fxg5
        • 2.Sg3#
      • 1...Rf2
        • 2.Rxf2#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Sg4
        • 2.Qxg4#
        • 2.hxg4#
      • 1...Sf7
        • 2.Qg4#
      • 1...Se7
        • 2.Rxf6#
      • 1...Rxf1+!
    • 1.Ke3?
      • threat
        • 2.Rxf4#
      • 1...Rf3+
        • 2.Rxf3#
        • 2.Qxf3#
      • 1...Sg4+
        • 2.Qxg4#
        • 2.hxg4#
      • 1...Rxf1
        • 2.Qxf1#
      • 1...fxg5
        • 2.Sg3#
      • 1...Rf2
        • 2.Rxf2#
      • 1...fxe5!
    • 1.Kg3?
      • threat
        • 2.Rxf4#
      • 1...Rf3+
        • 2.Qxf3#
      • 1...Rxf1
        • 2.Qxf1#
      • 1...fxe5
        • 2.Se3#
      • 1...Rf2
        • 2.Rxf2#
      • 1...fxg5!
  • Keys
    • 1.Kg1!
      • 1...Rxf1+
        • 2.Qxf1#
      • 1...fxe5
        • 2.Se3#
      • 1...fxg5
        • 2.Sg3#
      • 1...Rf2
        • 2.Rxf2#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Sg4
        • 2.Qxg4#
        • 2.hxg4#
      • 1...Sf7
        • 2.Qg4#
      • 1...Se7
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • K(D);P_PINR(a),S_FLIGHT
      • Vars
        • P(c);SBLOCK,XP(H)::S(F)
        • P(c);SBLOCK,XP(I)::S(G)
        • R(a);OGATEB::R(B),XR(a)
        • R(a);OGATEB::QAR2(A),XR(a)
        • S(e);N_GUARD::QAB1(A)
        • S(f);N_GUARD::R1(J),XP(c)
      • Refutation
        • R(a);CHECK,N_SPINR(a),XR(B)
    • Try
      • K(D);P_PINR(a),S_FLIGHT
      • Threat
        • R1(B),XR(a)
      • Vars
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR(A),XR(a)
        • P(c);SBLOCK,XP(I)::S(G)
        • R(a);OGATEB::R(B),XR(a)
      • Refutation
        • P(c);XP(H)
    • Try
      • K(D);P_PINR(a),S_FLIGHT
      • Threat
        • R1(B),XR(a)
      • Vars
        • R(a);CHECK,OGATEB::QAR2(A),XR(a)
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR(A),XR(a)
        • P(c);SBLOCK,XP(H)::S(F)
        • R(a);OGATEB::R(B),XR(a)
      • Refutation
        • P(c);XP(I)
  • Actual
    • K(D);P_PINR(a),S_FLIGHT
    • Vars
      • R(a);CHECK,N_SPINR(a),OGATE,XR(B)::QAR(A),XR(a)
      • P(c);SBLOCK,XP(H)::S(F)
      • P(c);SBLOCK,XP(I)::S(G)
      • R(a);OGATEB::R(B),XR(a)
      • R(a);OGATEB::QAR2(A),XR(a)
      • S(e);N_GUARD::QAB1(A)
      • S(f);N_GUARD::R1(J),XP(c)
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