MESON Chess Problem Database

Problem Display
PID: 27757 (8/Bp3p2/1R3P1p/N2P3P/2PkN3/8/R7/3K3Q w - - 0 1)

Salazar Lopez, Francisco

1st Prize, El Ajedrez Espanol, 1949

8/Bp3p2/1R3P1p/N2P3P/2PkN3/8/R7/3K3Q

#2

11 + 4

3105 FIDE Album (1945-1955) 1964
133 The Problemist Supplement 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Rb3#
  • Tries
    • 1.Sd2?
      • 1...Kc3
        • 2.Rb3#
      • 1...Kd3
        • 2.Rb3#
      • 1...Kc5
        • 2.Sdb3#
        • 2.Sab3#
        • 2.Qg1#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke3!
    • 1.Sf2?
      • 1...Kc3
        • 2.Rb3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kc5!
    • 1.Sc3?
      • 1...Kxc3
        • 2.Rb3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kc5
        • 2.Qg1#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kd3!
    • 1.Sc5?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qg1#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kc3!
    • 1.Sg5?
      • 1...Kc3
        • 2.Rb3#
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kc5
        • 2.Qg1#
      • 1...Ke5
        • 2.Qe4#
      • 1...hxg5!
    • 1.Sd6?
      • 1...Kc3
        • 2.Rb3#
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kc5
        • 2.Sb3#
        • 2.Qg1#
      • 1...Ke5!
    • 1.Re2?
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke5!
    • 1.Rf2?
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke3
        • 2.Rb3#
      • 1...Ke5!
    • 1.Re6+?
      • 1...Kd3
        • 2.Rd2#
        • 2.Ra3#
        • 2.Qf3#
        • 2.Qf1#
        • 2.Qh3#
      • 1...b6!
    • 1.Rxb7+?
      • 1...Kd3
        • 2.Rd2#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Qf3#
      • 1...Ke5!
    • 1.Qe1?
      • 1...Kd3
        • 2.Rd2#
        • 2.Rb3#
      • 1...Ke5!
    • 1.Qh4?
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke3
        • 2.Rb3#
      • 1...Ke5!
  • Keys
    • 1.Sg3!
      • 1...Kc3
        • 2.Rb3#
      • 1...Kd3
        • 2.Rb3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kc5
        • 2.Qg1#
      • 1...Ke5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(I)
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R1(I)
        • K(a);P-FLIGHT::R(I)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R1(I)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT,XS(E)::R1(I)
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT,XS(E)::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R1(I)
        • K(a);P-FLIGHT::R(I)
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • P(b);XS(E)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::R1(I)
        • K(a);P-FLIGHT::R(I)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::R(I)
        • K(a);S_FLIGHT::B(K)+R(I),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(I);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • R(I);CHECK,XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::R(I)
        • K(a);S_FLIGHT::B(K)+R(I),DCHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::R1(I)
      • K(a);P-FLIGHT::R(I)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB(B)
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