MESON Chess Problem Database
Problem Display
PID: 18477 (1b3rR1/4Q3/8/2N5/1P1p1BP1/KN3krP/2R2n2/5Bn1 w - - 0 1)
Gooderson, Arthur R
4th HM., BCF, 1956-1957
#2
11 + 7
| 3976 | FIDE Album (1956-1958) | 1961 |
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Rxf8#
- 1...Rxf4
- 2.Sd2#
- 1...Bxf4
- 2.Sxd4#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sxh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...d3
- 2.Qe3#
- 1...Kxf4
- Tries
- 1.Sd3?
- threat
- 2.Sd2#
- 2.Sxd4#
- 2.Rxf2#
- 1...Rxf4
- 2.Sd2#
- 2.Se1#
- 2.Rxf2#
- 1...Bxf4
- 2.Sxd4#
- 2.Se1#
- 2.Rxf2#
- 1...Sgxh3
- 2.Sd2#
- 2.Sxd4#
- 2.Qe2#
- 1...Sfxh3
- 2.Sd2#
- 2.Sxd4#
- 2.Qb7#
- 1...Sxg4
- 2.Sd2#
- 2.Sxd4#
- 2.Qb7#
- 1...Be5
- 2.Sd2#
- 1...Rg2
- 2.Sd2#
- 2.Sxd4#
- 1...Rd8
- 2.Sd2#
- 2.Rxf2#
- 1...Ba7
- 2.Sd2#
- 2.Rxf2#
- 1...Se2
- 2.Sd2#
- 2.Qxe2#
- 1...Sd1
- 2.Sd2#
- 2.Sxd4#
- 2.Qb7#
- 1...Sh1
- 2.Sd2#
- 2.Sxd4#
- 2.Qb7#
- 1...Se4
- 2.Sxd4#
- 1...Sxd3!
- threat
- 1.Bd6?
- threat
- 2.Sd2#
- 2.Sxd4#
- 2.Rxf8#
- 1...Rxh3
- 2.Sd2#
- 2.Sxd4#
- 1...Rxg4
- 2.Sd2#
- 1...Rxg8
- 2.Sd2#
- 2.Sxd4#
- 1...Sgxh3
- 2.Sd2#
- 2.Sxd4#
- 2.Qe2#
- 1...Sfxh3
- 2.Sxd4#
- 2.Qe4#
- 1...Sxg4
- 2.Sxd4#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Rf4
- 2.Sd2#
- 1...Rf5
- 2.Sd2#
- 2.Sxd4#
- 1...Rf6
- 2.Sd2#
- 2.Sxd4#
- 1...Rf7
- 2.Sd2#
- 2.Sxd4#
- 1...Rc8
- 2.Sd2#
- 2.Sxd4#
- 1...Rd8
- 2.Sd2#
- 2.Sxd4#
- 1...Re8
- 2.Sd2#
- 2.Sxd4#
- 1...Se2
- 2.Sd2#
- 2.Qxe2#
- 1...Sd1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sh1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sd3
- 2.Sxd4#
- 2.Qe4#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 2.Rxf8#
- 1...Bxd6!
- threat
- 1.Bc7?
- threat
- 2.Sd2#
- 2.Sxd4#
- 2.Rxf8#
- 1...Rxh3
- 2.Sd2#
- 2.Sxd4#
- 1...Rxg4
- 2.Sd2#
- 1...Rxg8
- 2.Sd2#
- 2.Sxd4#
- 1...Sgxh3
- 2.Sd2#
- 2.Sxd4#
- 2.Qe2#
- 1...Sfxh3
- 2.Sxd4#
- 2.Qe4#
- 1...Sxg4
- 2.Sxd4#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Rf4
- 2.Sd2#
- 1...Rf5
- 2.Sd2#
- 2.Sxd4#
- 1...Rf6
- 2.Sd2#
- 2.Sxd4#
- 1...Rf7
- 2.Sd2#
- 2.Sxd4#
- 1...Rc8
- 2.Sd2#
- 2.Sxd4#
- 1...Rd8
- 2.Sd2#
- 1...Re8
- 2.Sd2#
- 2.Sxd4#
- 1...Se2
- 2.Sd2#
- 2.Qxe2#
- 1...Sd1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sh1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sd3
- 2.Sxd4#
- 2.Qe4#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 2.Rxf8#
- 1...Bxc7!
- threat
- 1.Bxb8?
- threat
- 2.Sd2#
- 2.Sxd4#
- 2.Rxf8#
- 1...Rxh3
- 2.Sd2#
- 2.Sxd4#
- 1...Rxg4
- 2.Sd2#
- 1...Rxg8
- 2.Sd2#
- 2.Sxd4#
- 1...Sgxh3
- 2.Sd2#
- 2.Sxd4#
- 2.Qe2#
- 1...Sfxh3
- 2.Sxd4#
- 2.Qe4#
- 1...Sxg4
- 2.Sxd4#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Rf4
- 2.Sd2#
- 1...Rf5
- 2.Sd2#
- 2.Sxd4#
- 1...Rf6
- 2.Sd2#
- 2.Sxd4#
- 1...Rf7
- 2.Sd2#
- 2.Sxd4#
- 1...Rc8
- 2.Sd2#
- 2.Sxd4#
- 1...Rd8
- 2.Sd2#
- 1...Re8
- 2.Sd2#
- 2.Sxd4#
- 1...Se2
- 2.Sd2#
- 2.Qxe2#
- 1...Sd1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sh1
- 2.Sxd4#
- 2.Rxf8#
- 2.Qe4#
- 1...Sd3
- 2.Sxd4#
- 2.Qe4#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 2.Rxf8#
- 1...Rxb8!
- threat
- 1.Rc3+?
- 1...Kxf4
- 2.Rxf8#
- 2.Qg5#
- 1...dxc3
- 2.Qe3#
- 1...d3
- 2.Qe3#
- 1...Sd3!
- 1...Kxf4
- 1.Qxf8?
- threat
- 2.Sd2#
- 2.Sxd4#
- 1...Sfxh3
- 2.Sxd4#
- 1...Sxg4
- 2.Sxd4#
- 1...Be5
- 2.Sd2#
- 1...Se2
- 2.Sd2#
- 1...Sd1
- 2.Sxd4#
- 1...Sh1
- 2.Sxd4#
- 1...Sd3
- 2.Sxd4#
- 1...Se4
- 2.Sxd4#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 1...Bxf4!
- threat
- 1.Qe2+?
- 1...Kxf4
- 2.Se6#
- 1...Sxe2!
- 1...Kxf4
- 1.Qe5?
- threat
- 2.Sd2#
- 2.Sxd4#
- 1...Rxf4
- 2.Sd2#
- 1...Sfxh3
- 2.Sxd4#
- 2.Qe4#
- 1...Sxg4
- 2.Sxd4#
- 2.Qe4#
- 1...Rd8
- 2.Sd2#
- 1...Se2
- 2.Sd2#
- 1...Sd1
- 2.Sxd4#
- 2.Qe4#
- 1...Sh1
- 2.Sxd4#
- 2.Qe4#
- 1...Sd3
- 2.Sxd4#
- 2.Qe4#
- 1...Se4
- 2.Sxd4#
- 2.Qxe4#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 2.Qe3#
- 1...Bxe5!
- threat
- 1.Qb7+?
- 1...Se4
- 2.Qxe4#
- 1...Kxf4!
- 1...Se4
- 1.Sd3?
- Keys
- 1.Se6!
- threat
- 2.Sd2#
- 1...Ke4
- 2.Qb7#
- 1...Rxf4
- 2.Sg5#
- 1...Bxf4
- 2.Sexd4#
- 1...Sfxh3
- 2.Qb7#
- 1...Sxg4
- 2.Qb7#
- 1...Sd1
- 2.Qb7#
- 1...Sh1
- 2.Qb7#
- 1...Sd3
- 2.Qb7#
- 1...Se4
- 2.Sbxd4#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- K(c);OGATEB,P-FLIGHT,P_PINS(D),XB(G)::R(K),XR(g)
- R(g);SBLOCK,XB(G)::S(D)
- B(f);SBLOCK,XB(G)::S(D),XP(e)
- S(b);N_GUARD::QAB1(J)
- S(b);N_GUARD,XP(E)::QAB1(J)
- S(b);N_GUARD::QAB1(J),XS(b)
- S(b);N_GUARD,XP(H)::QAB1(J)
- P(e);N_GUARD::QAR1(J)
- Tries
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- B(f);::S(D)
- S(b);::S(D),XP(e)
- Refutation
- S(b);XS(I)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- R(d);XP(H)::S(D)
- S(b);N_GUARD::QAB1(J),XS(b)
- R(g);::S(D)
- Refutation
- B(f);XB(G)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- R(d);XP(H)::S(D)
- S(b);N_GUARD::QAB1(J),XS(b)
- R(g);::S(D)
- Refutation
- B(f);XB(G)
- Try
- B(G);XB(f)
- Threat
- DUALS(3)
- Vars
- R(d);XP(H)::S(D)
- S(b);N_GUARD::QAB1(J),XS(b)
- R(g);::S(D)
- Refutation
- R(g);XB(G)
- Try
- R(B);CHECK
- Vars
- P(e);N_GUARD,XR(B)::QAR1(J)
- P(e);N_GUARD,P_SPINP(e)::QAR1(J)
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(J);XR(g)
- Threat
- DUALS(2)
- Vars
- S(b);XP(E)::S(D),XP(e)
- S(b);XP(H)::S(D),XP(e)
- B(f);::S(D)
- S(a);::S(D)
- S(b);::S(D),XP(e)
- Refutation
- B(f);P_SPINB(f),XB(G)
- Try
- Q(J);CHECK
- Vars
- K(c);P-FLIGHT,P_PINS(D),XB(G)::S(I)
- Refutation
- S(a);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(g);XB(G)::S(D)
- R(g);::S(D)
- S(a);::S(D)
- Refutation
- B(f);XQ(J)
- Try
- Q(J);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB1(J),XS(b)
- Refutation
- K(c);P-FLIGHT,P_PINS(D),XB(G)
- Try
- Actual
- S(I);
- Threat
- S(D)
- Vars
- K(c);P_PINS(D),S_FLIGHT::QAB(J)
- R(g);SBLOCK,XB(G)::S(I)
- B(f);SBLOCK,XB(G)::S(I),XP(e)
- S(b);N_GUARD,XP(E)::QAB(J)
- S(b);N_GUARD,XP(H)::QAB(J)
- S(b);N_GUARD::QAB(J)
- S(b);SBLOCK::S(D),XP(e)
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