MESON Chess Problem Database

Problem Display
PID: 18471 (1b6/p3Q1p1/4P3/2B3Rp/5kqr/1R4Nn/K5P1/2NB4 w - - 0 1)

Gooderson, Arthur R

1st HM., BCF, 1956-1957

1b6/p3Q1p1/4P3/2B3Rp/5kqr/1R4Nn/K5P1/2NB4

#2

10 + 8

3976 FIDE Album (1956-1958) 1961
3174 The Two-move Chess Problem Tradition and Development 1966
3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd1
      • 2.Be3#
    • 1...Qe2+
      • 2.Scxe2#
    • 1...Qf3
      • 2.Rxf3#
    • 1...Qf5
      • 2.Rxf5#
    • 1...Qxe6
      • 2.Sd3#
    • 1...Qxg3
      • 2.Rb4#
    • 1...Bd6
      • 2.Bxd6#
  • Tries
    • 1.Sge2+?
      • 1...Ke4
        • 2.Bc2#
        • 2.Re3#
        • 2.Rb4#
        • 2.Qb7#
      • 1...Qxe2+!
    • 1.Sxh5+?
      • 1...Ke4
        • 2.Bc2#
        • 2.Re3#
        • 2.Rb4#
        • 2.Qb7#
      • 1...Qxh5
        • 2.Rb4#
      • 1...Rxh5!
    • 1.Bf2?
      • threat
        • 2.Sd3#
        • 2.Rb4#
      • 1...Qe2+
        • 2.Scxe2#
      • 1...Qxd1
        • 2.Be3#
      • 1...Qxe6
        • 2.Sd3#
      • 1...Qxg3
        • 2.Rb4#
      • 1...Qxg5
        • 2.Sd3#
      • 1...Sxg5
        • 2.Sd3#
      • 1...Qf5
        • 2.Rxf5#
      • 1...Qf3
        • 2.Rxf3#
      • 1...Be5
        • 2.Sd3#
      • 1...Bd6
        • 2.Sd3#
      • 1...a5
        • 2.Sd3#
      • 1...Sxf2!
    • 1.Qf6+?
      • 1...Qf5
        • 2.Sce2#
        • 2.Sd3#
        • 2.Be3#
        • 2.Rf3#
        • 2.Rb4#
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...gxf6!
    • 1.Qf8+?
      • 1...Qf5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Kxg5!
    • 1.Qf7+?
      • 1...Qf5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Kxg5!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qd2#
      • 1...Qe2+
        • 2.Scxe2#
      • 1...Qxd1
        • 2.Be3#
      • 1...Qxe6
        • 2.Sd3#
      • 1...Qxg3
        • 2.Rb4#
      • 1...Qxg5
        • 2.Qd4#
      • 1...Sxg5
        • 2.Qxb8#
      • 1...Qf5
        • 2.Rxf5#
      • 1...Qf3
        • 2.Rxf3#
      • 1...Bd6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(c);XB(B)::B(G)
    • Q(c);CHECK,N_GUARD::S(A),XQ(c)
    • Q(c);N_GUARD::R1(E),XQ(c)
    • Q(c);N_GUARD::R1(H),XQ(c)
    • Q(c);P_PINR(E),XP(I)::S(A)
    • Q(c);XS(F)::R(E)
    • B(h);N_GUARD::B(G),XB(h)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • Q(c);CHECK,XS(F)
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • Q(c);XS(F)::R(E)
      • Refutation
        • R(d);XS(F)
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);CHECK,N_GUARD::S(A),XQ(c)
        • Q(c);XB(B)::B(G)
        • Q(c);P_PINR(E),XP(I)::S(A)
        • Q(c);XS(F)::R(E)
        • Q(c);XR(H)::S(A)
        • S(a);XR(H)::S(A)
        • Q(c);N_GUARD::R1(H),XQ(c)
        • Q(c);N_GUARD::R1(E),XQ(c)
        • B(h);::S(A)
        • P(f);::S(A)
      • Refutation
        • S(a);XB(G)
    • Try
      • Q(J);CHECK
      • Refutation
        • P(g);XQ(J)
    • Try
      • Q(J);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(H)
    • Try
      • Q(J);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(H)
  • Actual
    • Q(J);
    • Threat
      • QAB(J)
    • Vars
      • Q(c);CHECK,N_GUARD::S(A),XQ(c)
      • Q(c);XB(B)::B(G)
      • Q(c);P_PINR(E),XP(I)::S(A)
      • Q(c);XS(F)::R(E)
      • Q(c);SBLOCK,XR(H)::QAR2(J)
      • S(a);SBLOCK,XR(H)::QAB(J),XB(h)
      • Q(c);N_GUARD::R1(H),XQ(c)
      • Q(c);N_GUARD::R1(E),XQ(c)
      • B(h);N_GUARD::B(G),XB(h)
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