MESON Chess Problem Database

Problem Display
PID: 40883 (3R2K1/4pP2/1p4RN/4kp2/rQn1PpP1/q7/b2P1bnB/4N1rB w - - 0 1)

Peris Pardo, Julio

Sp. Prize, Chess Correspondent, 1946

3R2K1/4pP2/1p4RN/4kp2/rQn1PpP1/q7/b2P1bnB/4N1rB

#2

12 + 12

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Re6#
    • 1...Qc1
      • 2.Qxe7#
    • 1...Qb2
      • 2.Qxe7#
    • 1...Qb3
      • 2.Qxe7#
    • 1...Qc3
      • 2.Qxe7#
    • 1...Qd3
      • 2.Qxe7#
    • 1...Qe3
      • 2.Qxe7#
    • 1...Qf3
      • 2.Qxe7#
    • 1...Qg3
      • 2.Qxe7#
    • 1...Qh3
      • 2.Qxe7#
    • 1...Sxe1
      • 2.Rd5#
    • 1...Sge3
      • 2.d4#
    • 1...Sh4
      • 2.Rd5#
    • 1...Sce3
      • 2.Sf3#
  • Tries
    • 1.Sd3+?
      • 1...Qxd3
        • 2.Qxe7#
      • 1...Kxe4!
    • 1.Sf3+?
      • 1...Qxf3
        • 2.Qxe7#
      • 1...Kxe4!
  • Keys
    • 1.gxf5!
      • threat
        • 2.Re6#
      • 1...Kxe4
        • 2.Re6#
      • 1...Sxe1
        • 2.Rd5#
      • 1...Sxd2
        • 2.Sg4#
      • 1...Qg3
        • 2.Qxe7#
      • 1...Sge3
        • 2.d4#
      • 1...Sh4
        • 2.Rd5#
      • 1...Sb2
        • 2.Sg4#
      • 1...Sce3
        • 2.Sf3#
      • 1...Sa5
        • 2.Sg4#
      • 1...Sd6
        • 2.Sg4#
      • 1...e6
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 8
  • Sets
    • K(i);N_SPINP(h),P-FLIGHT,P_SPINS(d),XP(F)::R(H)
    • Q(e);N_GUARD::QAR2(E),XP(l)
    • Q(e);N_GUARD,N_SPINP(h)::QAR2(E),XP(l)
    • S(d);XS(A)::R1(K)
    • S(d);S_CUTB(c)::P(C)
    • S(d);::R1(K)
    • S(g);P_PINP(J),S_CUTQ(e)::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • Q(e);XS(A)::QAR2(E),XP(l)
      • Refutation
        • K(i);N_SPINP(h),P-FLIGHT,P_SPINS(d),XP(F)
    • Try
      • S(A);CHECK
      • Vars
        • Q(e);XS(A)::QAR2(E),XP(l)
      • Refutation
        • K(i);N_SPINP(h),P-FLIGHT,P_SPINS(g),XP(F)
  • Actual
    • P(G);XP(j)
    • Threat
      • R1(H)
    • Vars
      • K(i);N_SPINP(h),P-FLIGHT,P_SPINS(d),XP(F)::R(H)
      • S(d);P_PINR(H),XS(A)::R1(K)
      • S(g);P_PINP(J),XP(C)::S(I)
      • Q(e);N_GUARD,N_SPINP(h),P_PINR(H)::QAR2(E),XP(l)
      • S(d);P_PINR(H),S_CUTB(c)::P(C)
      • S(d);P_PINR(H)::R1(K)
      • S(g);P_PINP(J)::S(I)
      • S(g);P_PINP(J),S_CUTQ(e)::S(A)
      • P(l);::R1(H),XP(l)
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