MESON Chess Problem Database
Problem Display
PID: 272091 (4n2K/3N4/1Rp5/1N2p3/ppkpP3/3R4/1P2P3/8 w - - 0 1)
Goulty, Allison Howard
The Observer, 1960
(First published on Sun Jul 31 1960)
#2
8 + 7
| 17397 | Ling Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...b3
- 2.Sa3#
- 1...cxb5
- 2.Rc6#
- 1...c5
- 2.Sxe5#
- 1...Sd6
- Tries
- 1.Kh7?
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...Sf6+!
- 1...cxb5
- 1.Kg8?
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...Sf6+!
- 1...cxb5
- 1.Sa7?
- threat
- 2.Rxc6#
- 1...c5
- 2.Sxe5#
- 1...b3!
- threat
- 1.Rc3+?
- 1...bxc3
- 2.Sa3#
- 1...dxc3!
- 1...bxc3
- 1.Rf3?
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...d3!
- 1...cxb5
- 1.Rg3?
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...d3!
- 1...cxb5
- 1.Rh3?
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...d3!
- 1...cxb5
- 1.Rb7?
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...cxb5!
- 1...b3
- 1.Rb8?
- 1...b3
- 2.Sa3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...a3
- 2.b3#
- 1...c5
- 2.Sxe5#
- 1...cxb5!
- 1...b3
- 1.Kh7?
- Keys
- 1.Ra3!
- 1...bxa3
- 2.Sxa3#
- 1...cxb5
- 2.Rc6#
- 1...b3
- 2.Rxa4#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...d3
- 2.exd3#
- 1...c5
- 2.Sxe5#
- 1...bxa3
- 1.Ra3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(b);N_GUARD::S(E)
- P(f);SBLOCK,XS(E)::R(F)
- P(f);SBLOCK::S(G),XP(e)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- P(f);SBLOCK,XS(E)::R(F)
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- S(g);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- P(f);SBLOCK,XS(E)::R(F)
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- S(g);CHECK
- Try
- S(E);
- Threat
- R(F),XP(f)
- Vars
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(b);
- Try
- R(C);CHECK
- Vars
- P(b);XR(C)::S(E)
- Refutation
- P(d);XR(C)
- Try
- R(C);
- Vars
- P(f);SBLOCK,XS(E)::R(F)
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- P(f);SBLOCK,XS(E)::R(F)
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- P(f);SBLOCK,XS(E)::R(F)
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(f);XS(E)
- Try
- R(F);
- Vars
- P(b);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(a);N_GUARD::P(A)
- P(f);SBLOCK::S(G),XP(e)
- Refutation
- P(f);XS(E)
- Try
- Actual
- R(C);
- Vars
- P(b);XR(C)::S(E),XP(b)
- P(f);SBLOCK,XS(E)::R(F)
- P(b);OGATEB,SBLOCK::R(C),XP(a)
- S(g);N_GUARD::S(E),XS(g)
- S(g);N_GUARD::S(E)
- P(d);OGATE::P(B),XP(d)
- P(f);SBLOCK::S(G),XP(e)
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