MESON Chess Problem Database
Problem Display
PID: 415 (4K3/7P/8/4Q1br/3n1PBk/4N2P/6pP/6r1 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
The Observer, 1944
(First published on Sun Feb 20 1944)
#2
8 + 6
| 5606 | The Wangling Wizards | 2005 |
| 133 | The Problemist Supplement | 2013 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Rxh7
- 2.Qxg5#
- 1...Bxf4
- 2.Qxh5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Ra1
- Tries
- 1.Kd7?
- 1...Bxf4
- 2.Qxh5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Rxh7+!
- 1...Bxf4
- 1.Kf7?
- 1...Bxf4
- 2.Qxh5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Rxh7+!
- 1...Bxf4
- 1.Qb5?
- 1...Rxh7
- 2.Qxg5#
- 1...Bxf4
- 2.Qxh5#
- 1...Sxb5
- 2.Sf5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Re1!
- 1...Rxh7
- 1.Qc5?
- 1...Rxh7
- 2.Qxg5#
- 1...Bxf4
- 2.Qxh5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Re1!
- 1...Rxh7
- 1.Qd5?
- 1...Rxh7
- 2.Qxg5#
- 1...Bxf4
- 2.Qxh5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Re1!
- 1...Rxh7
- 1.h8Q?
- threat
- 2.Qxg5#
- 2.Qxh5#
- 1...Bxf4
- 2.Qexh5#
- 2.Qhxh5#
- 1...Rh6
- 2.Qxg5#
- 1...Rh7
- 2.Qxg5#
- 1...Bf6
- 2.Qexf6#
- 2.Qexh5#
- 2.Qhxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qexh5#
- 2.Qxe7#
- 2.Qhxh5#
- 1...Bd8
- 2.Qexh5#
- 2.Qhxh5#
- 1...Sf3
- 2.Sf5#
- 2.Qxh5#
- 1...Sf5
- 2.Sxf5#
- 2.Qxh5#
- 1...Se6
- 2.Sf5#
- 2.Qxh5#
- 1...Rxh8+!
- threat
- 1.h8S?
- threat
- 2.Sg6#
- 1...Rh6
- 2.Qxg5#
- 1...Rxh8+!
- threat
- 1.h8B?
- 1...Bxf4
- 2.Qxh5#
- 1...Re1
- 2.Sxg2#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Rh7
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Rxh8+!
- 1...Bxf4
- 1.h8R?
- threat
- 2.Rxh5#
- 2.Qxg5#
- 1...Bxf4
- 2.Rxh5#
- 2.Qxh5#
- 1...Rh6
- 2.Qxg5#
- 1...Rh7
- 2.Qxg5#
- 1...Bf6
- 2.Rxh5#
- 2.Qxf6#
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Rxh5#
- 2.Qxh5#
- 2.Qxe7#
- 1...Bd8
- 2.Rxh5#
- 2.Qxh5#
- 1...Sf3
- 2.Sf5#
- 2.Rxh5#
- 1...Sf5
- 2.Sxf5#
- 2.Rxh5#
- 1...Se6
- 2.Sf5#
- 2.Rxh5#
- 1...Rxh8+!
- threat
- 1.Kd7?
- Keys
- 1.Qa5!
- 1...Rxh7
- 2.Qxg5#
- 1...Bxf4
- 2.Qxh5#
- 1...Ra1
- 2.Sxg2#
- 1...Rb1
- 2.Sxg2#
- 1...Rc1
- 2.Sxg2#
- 1...Rd1
- 2.Sxg2#
- 1...Re1
- 2.Qxe1#
- 1...Rf1
- 2.Sxg2#
- 1...Rh1
- 2.Sxg2#
- 1...Rh6
- 2.Qxg5#
- 1...Bf6
- 2.Qxh5#
- 1...Bh6
- 2.Qxh5#
- 1...Be7
- 2.Qxh5#
- 1...Bd8
- 2.Qxh5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Rxh7
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- R(f);N_GUARD,XP(G)::QAB1(F),XB(e)
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(f);CHECK,XP(G)
- Try
- K(H);S_FLIGHT
- Vars
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(a);N_GUARD,P_PINP(D)::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(f);CHECK,XP(G)
- Try
- Q(F);
- Vars
- R(f);N_GUARD,XP(G)::QAB1(F),XB(e)
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- S(c);N_GUARD,XQ(F)::S(B)
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(a);P_PINS(B)
- Try
- Q(F);
- Vars
- R(f);N_GUARD,XP(G)::QAB1(F),XB(e)
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(a);P_PINS(B)
- Try
- Q(F);
- Vars
- R(f);N_GUARD,XP(G)::QAB1(F),XB(e)
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(a);P_PINS(B)
- Try
- P(G);P_PINR(f)
- Threat
- DUALS(2)
- Vars
- R(f);::QAB1(F),XB(e)
- B(e);N_SPINR(f),OGATE::QAR1(F),XR(f)
- Refutation
- R(f);CHECK,N_SPINR(f),XQ(G)
- Try
- P(G);
- Threat
- S(G)
- Vars
- R(f);N_GUARD::QAB1(F),XB(e)
- Refutation
- R(f);CHECK,XS(G)
- Try
- P(G);
- Vars
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- R(f);CHECK,XB(G)
- Try
- P(G);P_PINR(f)
- Threat
- DUALS(2)
- Vars
- R(f);::QAB1(F),XB(e)
- B(e);N_SPINR(f),OGATE::QAR1(F),XR(f)
- Refutation
- R(f);CHECK,N_SPINR(f),XR(G)
- Try
- Actual
- Q(F);
- Vars
- R(f);N_GUARD,XP(G)::QAB1(F),XB(e)
- B(e);OGATE,XP(D)::QAR1(F),XR(f)
- R(a);N_GUARD::S(B),XP(b)
- R(a);N_GUARD,P_PINS(B)::QAB(F),XR(a)
- R(f);N_GUARD::QAB1(F),XB(e)
- B(e);OGATE::QAR1(F),XR(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).