MESON Chess Problem Database
Problem Display
PID: 147313 (8/3Np3/B1ppp3/2PkP3/4R1K1/3PP3/3nn3/8 w - - 0 1)
Zuk, Henryk
Canadian Chess Chat, 1984
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Bc4#
- 1...Sf1
- 2.Bc4#
- 1...Sb3
- 2.Bc4#
- 1...Sf3
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sxe4
- 2.Bc4#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...dxc5
- 2.Sb6#
- 1...dxe5
- 2.Rxe5#
- 1...Sb1
- Tries
- 1.Kh4?
- 1...Sxe4
- 2.Bc4#
- 1...dxc5
- 2.Sb6#
- 1...dxe5
- 2.Rxe5#
- 1...Sb1
- 2.Bc4#
- 1...Sf1
- 2.Bc4#
- 1...Sb3
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...Sf3+!
- 1...Sxe4
- 1.Bb5?
- 1...Sxe4
- 2.Bc4#
- 1...dxc5
- 2.Sb6#
- 1...dxe5
- 2.Rxe5#
- 1...Sb1
- 2.Bc4#
- 1...Sf1
- 2.Bc4#
- 1...Sb3
- 2.Bc4#
- 1...Sf3
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...cxb5!
- 1...Sxe4
- 1.cxd6?
- 1...Sxe4
- 2.Bc4#
- 1...c5
- 2.Bb7#
- 1...Sb1
- 2.Bc4#
- 1...Sf1
- 2.Bc4#
- 1...Sb3
- 2.Bc4#
- 1...Sf3
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...exd6!
- 1...Sxe4
- 1.exd6?
- threat
- 2.Re5#
- 1...Sxe4
- 2.Bc4#
- 1...e5
- 2.Rxe5#
- 1...Sf3
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...exd6!
- threat
- 1.Kh4?
- Keys
- 1.Rc4!
- 1...Sxc4
- 2.Bxc4#
- 1...dxc5
- 2.Rxc5#
- 1...dxe5
- 2.Sb6#
- 1...Sb1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sb3
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Se4
- 2.dxe4#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...Sxc4
- 1.Rc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(a);N_GUARD,XR(C)::B(G)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- P(e);SBLOCK,XP(E)::S(H)
- P(e);OGATE,XP(F)::R1(C),XP(e)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- S(a);N_GUARD,XR(C)::B(G)
- P(e);SBLOCK,XP(E)::S(H)
- P(e);OGATE,XP(F)::R1(C),XP(e)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- S(a);CHECK
- Try
- B(G);
- Vars
- S(a);N_GUARD,XR(C)::B(G)
- P(e);SBLOCK,XP(E)::S(H)
- P(e);OGATE,XP(F)::R1(C),XP(e)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- P(d);XB(G)
- Try
- P(E);XP(e)
- Vars
- S(a);N_GUARD,XR(C)::B(G)
- P(d);OGATEB::B(G)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- P(g);XP(E)
- Try
- P(F);XP(e)
- Threat
- R1(C)
- Vars
- S(a);N_GUARD,XR(C)::B(G)
- P(f);::R1(C),XP(f)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- Refutation
- P(g);XP(F)
- Try
- Actual
- R(C);
- Vars
- S(a);OGATE,XR(C)::B(G),XS(a)
- P(e);OGATE,XP(E)::R1(C),XP(e)
- P(e);SBLOCK,XP(F)::S(H)
- S(a);N_GUARD::P(B)
- S(a);OGATE::P(A),XS(a)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
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).