MESON Chess Problem Database
Problem Display
PID: 262447 (1b2N3/N1p5/kpP5/3R4/2R5/1Kn1B3/8/8 w - - 0 1)
Marysko, Milos
Europe Echecs, 1959
#2
7 + 5
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sxd5
- 2.Ra4#
- 1...Kxa7
- Tries
- 1.Kc2?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxd5
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Kxc3?
- threat
- 2.Ra4#
- 1...Kxa7
- 2.Ra4#
- 2.Ra5#
- 1...b5!
- threat
- 1.Sxc7+?
- 1...Kxa7
- 2.Ra5#
- 1...Bxc7!
- 1...Kxa7
- 1.Bg1?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxd5
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Bf2?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxd5
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Bd4?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxd5
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Rxc3?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...b5!
- 1...Kxa7
- 1.Rb4?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxd5
- 2.Ra4#
- 1...Sb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Re5?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Rf5?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Rg5?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Rh5?
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...b5!
- 1...Kxa7
- 1.Kc2?
- Keys
- 1.Rb5!
- 1...Kxa7
- 2.Ra5#
- 1...Bxa7
- 2.Sxc7#
- 1...Sxb5
- 2.Ra4#
- 1...Sb1
- 2.Ra4#
- 1...Sd1
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Se2
- 2.Ra4#
- 1...Sa4
- 2.Rxa4#
- 1...Se4
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Kxa7
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD,XR(D)::R(C)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- K(A);P-FLIGHT,XS(a)
- Threat
- R(C)
- Refutation
- P(c);
- Try
- S(G);CHECK,XP(d)
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- Refutation
- B(e);XS(G)
- Try
- B(B);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- R(C);XS(a)
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
- Refutation
- P(c);
- Try
- Actual
- R(D);
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c),XS(F)::R(D)
- B(e);N_GUARD,SBLOCK,XS(F)::S(G),XP(d)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(a);N_GUARD::R(C),XS(a)
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).