MESON Chess Problem Database

Problem Display
PID: 96323 (2Q5/2P1p3/4N1r1/2KP4/3Pk1P1/R2N1pp1/1B1Pq1P1/5B2 w - - 0 1)

Candela Sanz, Rafael

Problemas, 1975

2Q5/2P1p3/4N1r1/2KP4/3Pk1P1/R2N1pp1/1B1Pq1P1/5B2

#2

13 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Bxd3#
    • 1...Rg5
      • 2.Sxg5#
    • 1...Rxe6
      • 2.Qxe6#
    • 1...Rf6
      • 2.Sg5#
    • 1...Rh6
      • 2.Sg5#
  • Tries
    • 1.Kc4?
      • threat
        • 2.Sc5#
      • 1...Qxd3+
        • 2.Bxd3#
      • 1...Qxd2
        • 2.Sdc5#
      • 1...Rxe6
        • 2.Qxe6#
      • 1...fxg2!
    • 1.Sf2+?
      • 1...Qxf2
        • 2.Bd3#
      • 1...gxf2!
    • 1.Qf8?
      • threat
        • 2.Qf4#
        • 2.Qf5#
      • 1...Qxd2
        • 2.Qxf3#
      • 1...Qe3
        • 2.Qf5#
      • 1...Rg5
        • 2.Sxg5#
        • 2.Qf4#
      • 1...Rf6
        • 2.Sg5#
      • 1...Rxg4!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Sc5#
      • 1...Rxe6+
        • 2.Qxe6#
      • 1...Qxd3
        • 2.Bxd3#
      • 1...Rxg4
        • 2.Sec5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(a);OGATE,XS(F)::B(A),XQ(a)
    • R(e);N_GUARD,P_PINP(J)::S(K),XR(e)
    • R(e);OGATE,XS(K)::QAR2(M),XR(e)
    • R(e);N_GUARD::S(K)
  • Tries
    • Try
      • K(I);P-FLIGHT,P_SPINS(F)
      • Threat
        • S(K)
      • Vars
        • Q(a);CHECK,OGATE,XS(F)::B(A),XQ(a)
        • Q(a);N_PINS(F),XP(C)::S(F)
        • R(e);OGATE,XS(K)::QAR2(M),XR(e)
      • Refutation
        • P(b);XP(D)
    • Try
      • S(F);CHECK
      • Vars
        • Q(a);OGATE,P_PINP(G),XS(F)::B(A)
      • Refutation
        • P(c);XS(F)
    • Try
      • Q(M);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);N_GUARD,XP(C)::QAB1(M),XP(b)
        • Q(a);P_PINP(G)::QAB1(M)
        • R(e);N_GUARD::S(K)
      • Refutation
        • R(e);XP(H)
  • Actual
    • K(I);P-FLIGHT,P_SPINS(K)
    • Threat
      • S(F)
    • Vars
      • R(e);CHECK,OGATE,XS(K)::QAR2(M),XR(e)
      • Q(a);OGATE,XS(F)::B(A),XQ(a)
      • R(e);N_PINS(K),XP(H)::S(K)
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