MESON Chess Problem Database

Problem Display
PID: 52389 (B3R3/5Q1b/8/1KNN1rP1/6p1/1Rb2k2/6pP/2rn2B1 w - - 0 1)

Winings, HL

Cincinnati Enquirer, 1935

(First published on Sun Nov 10 1935)

B3R3/5Q1b/8/1KNN1rP1/6p1/1Rb2k2/6pP/2rn2B1

#2

10 + 8

5064 100 Years of the American Two-move Chess Problem 1962

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qxf4#
    • 1...Bg8
      • 2.Qxf5#
    • 1...Sb2
      • 2.Re3#
    • 1...Sf2
      • 2.Re3#
    • 1...Se3
      • 2.Rxe3#
    • 1...g3
      • 2.Qh5#
  • Tries
    • 1.Sf4+?
      • 1...Rd5
        • 2.Sg6#
      • 1...Kxf4!
    • 1.Sf6+?
      • 1...Rd5
        • 2.Sxh7#
      • 1...Kf4!
    • 1.Qc7?
      • threat
        • 2.Qg3#
      • 1...Se3
        • 2.Rxe3#
      • 1...g3
        • 2.Qxg3#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Re5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Se1#
      • 1...Be5
        • 2.Sc3#
      • 1...Se3
        • 2.Rxe3#
      • 1...g3
        • 2.Qh5#
      • 1...Be1
        • 2.Sxe1#
      • 1...Sb2
        • 2.Re3#
      • 1...Sf2
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(g);OGATE::QAR1(H),XR(g)
    • B(h);N_GUARD::QAR2(H),XR(g)
    • S(b);N_GUARD::R1(J)
    • S(b);N_GUARD,N_SPINB(d)::R1(J),XS(b)
    • P(f);OGATEB::QAB(H)
  • Tries
    • Try
      • S(F);CHECK,N_PINR(g),P_SPINS(E)
      • Vars
        • R(g);P_SPINR(g)::QAR(H)+S(F)
      • Refutation
        • K(e);N_SPINB(d),P-FLIGHT,P_SPINR(g),XS(F)
    • Try
      • S(F);CHECK,N_PINR(g),P_SPINS(E)
      • Vars
        • R(g);P_SPINR(g)::QAR(H)+S(F),XB(h)
      • Refutation
        • K(e);N_SPINB(d),P-FLIGHT
    • Try
      • Q(H);N_PINR(g)
      • Threat
        • QAR1(H)
      • Vars
        • S(b);N_GUARD,N_SPINB(d)::R1(J),XS(b)
        • P(f);::QAR1(H),XP(f)
        • R(g);N_GUARD::QAR1(H),XR(g)
      • Refutation
        • R(g);
  • Actual
    • S(E);N_PINB(d),P_SPINS(F)
    • Threat
      • S(E)
    • Vars
      • B(d);N_PINS(F)::B(I)+S(F)
      • S(b);N_GUARD::R1(J),XS(b)
      • P(f);OGATEB::QAB(H)
      • B(d);::R(C)+S(E),DCHECK,XB(d)
      • S(b);N_GUARD::R1(J)
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