MESON Chess Problem Database

Problem Display
PID: 214966 (2r5/8/7p/3Pp2K/Bn3R2/Nrk1Bp1p/1p3N2/4n1Qq w - - 0 1)

Vazquez, Luis

Suomen Shakki, 1948

2r5/8/7p/3Pp2K/Bn3R2/Nrk1Bp1p/1p3N2/4n1Qq

#2

8 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Qxe1#
    • 1...Qh2
      • 2.Qxe1#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Ra8
      • 2.Rc4#
    • 1...Rb8
      • 2.Rc4#
    • 1...Rd8
      • 2.Rc4#
    • 1...Re8
      • 2.Rc4#
    • 1...Rf8
      • 2.Rc4#
    • 1...Rg8
      • 2.Rc4#
    • 1...Rh8
      • 2.Rc4#
    • 1...Sec2
      • 2.Sb1#
      • 2.Sb5#
    • 1...Sed3
      • 2.Sd1#
      • 2.Se4#
    • 1...Sbc2
      • 2.Sb1#
    • 1...Sbd3
      • 2.Sd1#
    • 1...Sc6
      • 2.Rc4#
    • 1...exf4
      • 2.Qg7#
    • 1...e4
      • 2.Qg7#
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qxe5#
      • 1...exf4
        • 2.Qf6#
        • 2.Qe5#
        • 2.Qg7#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Re8
        • 2.Rc4#
      • 1...Sec2
        • 2.Sb5#
      • 1...Sed3
        • 2.Se4#
      • 1...Sbc2
        • 2.Sb1#
      • 1...Sbd3
        • 2.Sd1#
      • 1...Sc6
        • 2.Rc4#
      • 1...e4
        • 2.Qf6#
        • 2.Qe5#
        • 2.Qg7#
      • 1...hxg5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxe5#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Re8
        • 2.Rc4#
      • 1...Sec2
        • 2.Sb5#
      • 1...Sed3
        • 2.Se4#
      • 1...Sbc2
        • 2.Sb1#
      • 1...Sbd3
        • 2.Sd1#
      • 1...Sc6
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(b);N_GUARD::QAB(A),XS(a)
    • R(k);N_GUARD::R1(F),XR(k)
    • R(k);N_GUARD::R1(F)
    • S(h);SBLOCK::S(C)
    • S(h);SBLOCK::S(B)
    • S(h);S_CUTR(k)::R1(F)
    • P(i);OGATEB,XR(F)::QAB(A)
    • P(i);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(i)
      • Vars
        • R(k);N_GUARD::R1(F),XR(k)
        • R(k);N_GUARD::R1(F)
        • S(a);SBLOCK::S(C)
        • S(a);SBLOCK::S(B)
        • S(h);SBLOCK::S(C)
        • S(h);SBLOCK::S(B)
        • S(h);S_CUTR(k)::R1(F)
      • Refutation
        • P(j);XQ(A)
  • Actual
    • Q(A);P_PINP(i)
    • Threat
      • QAB(A),XP(i)
    • Vars
      • R(k);N_GUARD::R1(F),XR(k)
      • R(k);N_GUARD::R1(F)
      • S(a);SBLOCK::S(C)
      • S(a);SBLOCK::S(B)
      • S(h);SBLOCK::S(C)
      • S(h);SBLOCK::S(B)
      • S(h);S_CUTR(k)::R1(F)
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