MESON Chess Problem Database

Problem Display
PID: 229021 (b4b2/2N5/5Q1p/4B1pK/1RrrkN2/p5Rp/B1nP1Pp1/4n1q1 w - - 0 1)

Kriuckov, Sergey Petrovic

El Ajedrez Argentino, 1926

b4b2/2N5/5Q1p/4B1pK/1RrrkN2/p5Rp/B1nP1Pp1/4n1q1

#2

10 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Bd5#
    • 1...Sd3
      • 2.f3#
    • 1...Sa1
      • 2.Re3#
    • 1...Se3
      • 2.Rxe3#
    • 1...Sxb4
      • 2.Re3#
    • 1...gxf4
      • 2.Qxf4#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Qf5#
      • 1...Se3+
        • 2.Rxe3#
      • 1...h5+!
    • 1.Kg6?
      • threat
        • 2.Qf5#
      • 1...Rc6
        • 2.Bd5#
      • 1...Se3
        • 2.Rxe3#
      • 1...Rd6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qg6#
      • 1...Qxf2
        • 2.Sxf2#
      • 1...Rxd3
        • 2.Rg4#
      • 1...Sxd3
        • 2.f3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Rc6
        • 2.Bd5#
      • 1...Rd6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(g);OGATE,P_SPINR(h)::B(A)
    • S(a);N_GUARD::P(C)
    • S(c);N_GUARD::R1(D)
    • S(c);N_GUARD::R1(D),XS(c)
    • S(c);N_GUARD,XR(E)::R1(D)
    • P(j);OGATE,XS(F)::QAR1(I),XP(j)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB1(I)
      • Vars
        • S(c);CHECK,N_GUARD::R1(D),XS(c)
      • Refutation
        • P(k);CHECK
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB1(I)
      • Vars
        • R(g);OGATE,P_PINQ(I),P_SPINR(h)::B(A)
        • S(c);N_GUARD::R1(D),XS(c)
      • Refutation
        • R(h);P_PINQ(I),P_SPINR(g)
  • Actual
    • S(F);
    • Threat
      • QAB(I)
    • Vars
      • Q(b);XP(C)::S(F),XQ(b)
      • R(h);P_SPINR(g),SBLOCK,XS(F)::R(D)
      • S(a);N_GUARD,SBLOCK,XS(F)::P(C)
      • S(c);N_GUARD::R1(D),XS(c)
      • R(g);OGATE,P_SPINR(h)::B(A)
      • R(h);P_SPINR(g),S_CUTB(m)::S(F)
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Developed and maintained by Brian Stephenson.
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