MESON Chess Problem Database
Problem Display
PID: 95576 (8/2nn2R1/4k3/3bP1pr/2P1N1P1/3R1N2/3K1P2/8 w - - 0 1)
Clark, Cecil Henry Douglas
The Field, 1953
(First published on Thu Jun 4 1953)
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sxe5
- 2.Sd4#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Rh1
- Tries
- 1.Kc1?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Rh1+!
- 1...Bxc4
- 1.Kd1?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Rh1+!
- 1...Bxc4
- 1.Ke1?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Rh1+!
- 1...Bxc4
- 1.Kc2?
- 1...Bxc4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Bxe4!
- 1...Bxc4
- 1.Ke2?
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Bxc4!
- 1...Bxe4
- 1.Kc3?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sb5+!
- 1...Bxc4
- 1.Rd4?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Sxe5!
- 1...Bxc4
- 1.Rh7?
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sexg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Rxh7!
- 1...Bxc4
- 1.Kc1?
- Keys
- 1.Ke3!
- 1...Bxc4
- 2.Rd6#
- 1...Bxe4
- 2.Rd6#
- 1...Sxe5
- 2.Sd4#
- 1...Rh1
- 2.Sexg5#
- 1...Rh2
- 2.Sexg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sexg5#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Bc6
- 2.Rd6#
- 1...Bb7
- 2.Rd6#
- 1...Ba8
- 2.Rd6#
- 1...Sb5
- 2.cxd5#
- 1...Sa6
- 2.cxd5#
- 1...Sa8
- 2.cxd5#
- 1...Se8
- 2.cxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Bxc4
- 1.Ke3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINP(B)::S(F),XP(b)
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);SBLOCK,XP(H)::S(D)
- S(f);N_GUARD::S(F)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- R(c);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- R(c);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- R(c);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINP(B)::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- B(a);P_PINR(C),XS(F)
- Try
- K(A);P-FLIGHT
- Vars
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINP(B)::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- B(a);P_PINR(C),XP(E)
- Try
- K(A);S_FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- S(e);CHECK
- Try
- R(C);
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINP(B)::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- S(f);XP(H)
- Try
- R(I);
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINP(B)::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- R(c);XR(I)
- Try
- Actual
- K(A);S_FLIGHT
- Vars
- B(a);OGATE,XP(E)::R1(C)
- B(a);OGATE,XS(F)::R1(C)
- S(f);SBLOCK,XP(H)::S(D)
- R(c);N_GUARD::S(F),XP(b)
- R(c);N_GUARD,P_PINS(D)::S(F),XP(b)
- B(a);OGATE::R1(C)
- S(e);N_GUARD::P(E),XB(a)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
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).