MESON Chess Problem Database
Problem Display
PID: 10580 (2K1k3/1R4BN/3R4/5Nn1/8/2b5/4r3/3r4 w - - 0 1)
Lipton, Michael
2nd Prize, BCPS Ring Ty., 1966
#2
6 + 5
| 1446 | Sunday Citizen | 1966 |
| 5862 | An ABC of Chess Problems | 1970 |
| 3772 | FIDE Album (1965-1967) | 1976 |
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 3310 | 2345 Chess Problems | 1997 |
| 5503 | ISC | 2010 |
| 145 | StrateGems | 2011 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rd8#
- 1...Rb1
- 2.Rd8#
- 1...Rc1
- 2.Rd8#
- 1...Rde1
- 2.Rd8#
- 1...Rf1
- 2.Rd8#
- 1...Rg1
- 2.Rd8#
- 1...Rh1
- 2.Rd8#
- 1...Rd4
- 2.Sf6#
- 1...Rxd6
- 2.Sxd6#
- 1...Ra2
- 2.Re7#
- 1...Rb2
- 2.Re7#
- 1...Rc2
- 2.Re7#
- 1...Rd2
- 2.Re7#
- 1...Rf2
- 2.Re7#
- 1...Rg2
- 2.Re7#
- 1...Rh2
- 2.Re7#
- 1...Re5
- 2.Sf6#
- 1...Re7
- 2.Rxe7#
- 1...Be1
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 2.Rd8#
- 1...Bb4
- 2.Sf6#
- 1...Bd4
- 2.Rd8#
- 1...Ba5
- 2.Sf6#
- 1...Be5
- 2.Re7#
- 1...Bf6
- 2.Sxf6#
- 1...Bxg7
- 2.Sxg7#
- 1...Se4
- 2.Re6#
- 2.Re7#
- 1...Se6
- 2.Re7#
- 1...Ra1
- Tries
- 1.Sd4?
- threat
- 2.Sf6#
- 2.Rd8#
- 1...Rxd4
- 2.Sf6#
- 1...Bxd4
- 2.Rd8#
- 1...Sxh7
- 2.Rd8#
- 1...Rf1
- 2.Rd8#
- 1...Rf2
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Ba5
- 2.Sf6#
- 1...Se4
- 2.Re6#
- 2.Rd8#
- 1...Se6
- 2.Sf6#
- 1...Sf7
- 2.Sf6#
- 1...Re7!
- threat
- 1.Bxc3?
- threat
- 2.Sg7#
- 1...Re7
- 2.Rxe7#
- 1...Se6
- 2.Re7#
- 1...Sxh7!
- threat
- 1.Be5?
- threat
- 2.Sg7#
- 2.Re7#
- 1...Rxe5
- 2.Sg7#
- 1...Bxe5
- 2.Re7#
- 1...Se6
- 2.Rxe6#
- 2.Re7#
- 1...Sxh7!
- threat
- 1.Rxd1?
- threat
- 2.Sd6#
- 2.Rd8#
- 1...Re7
- 2.Sd6#
- 2.Rxe7#
- 1...Rd2
- 2.Re7#
- 1...Re6
- 2.Rd8#
- 1...Bd2
- 2.Sd6#
- 2.Sf6#
- 1...Bb4
- 2.Sf6#
- 2.Rd8#
- 1...Bd4
- 2.Sd6#
- 1...Ba5
- 2.Sd6#
- 2.Sf6#
- 1...Be5
- 2.Rd8#
- 2.Re7#
- 1...Bf6
- 2.Sd6#
- 2.Sxf6#
- 1...Se4
- 2.Rd8#
- 2.Re7#
- 1...Se6
- 2.Sd6#
- 2.Re7#
- 1...Sf7!
- threat
- 1.Rd4?
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Rxd4
- 2.Sf6#
- 1...Bxd4
- 2.Sd6#
- 1...Sxh7
- 2.Sd6#
- 1...Re7
- 2.Sd6#
- 2.Rxe7#
- 1...Bb4
- 2.Sf6#
- 1...Se4
- 2.Re7#
- 1...Sf7
- 2.Sf6#
- 1...Re6!
- threat
- 1.Re6+?
- 1...Sxe6
- 2.Re7#
- 1...Rxe6!
- 1...Sxe6
- 1.Sd4?
- Keys
- 1.Bd4!
- threat
- 2.Sg7#
- 2.Rd8#
- 1...Rxd4
- 2.Sg7#
- 1...Bxd4
- 2.Rd8#
- 1...Sxh7
- 2.Rd8#
- 1...Re7
- 2.Rxe7#
- 1...Ba5
- 2.Sg7#
- 1...Se6
- 2.Re7#
- 1...Sf7
- 2.Sg7#
- threat
- 1.Bd4!
This anticipates 99934(1990)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 21
- Sets
- R(a);N_GUARD::R1(B)
- R(a);S_CUTB(c)::S(E)
- R(a);XR(B)::S(A),XR(a)
- R(b);N_GUARD::R1(C)
- R(b);S_CUTB(c)::S(E)
- R(b);N_GUARD::R1(C),XR(b)
- B(c);N_GUARD::S(E)
- B(c);S_CUTR(a)::R1(B)
- B(c);S_CUTR(b)::R1(C)
- B(c);N_GUARD::S(E),XB(c)
- B(c);XB(D)::S(A),XB(c)
- S(d);S_CUTR(b)::R1(C)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(a);XS(A)::S(E)
- B(c);XS(A)::R1(B)
- S(d);XS(E)::R1(B)
- R(a);::R1(B)
- R(b);::R1(B)
- B(c);::S(E)
- S(d);::S(E)
- Refutation
- R(b);
- Try
- B(D);XB(c)
- Threat
- S(A)
- Vars
- R(b);N_GUARD::R1(C),XR(b)
- S(d);S_CUTR(b)::R1(C)
- Refutation
- S(d);XS(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(b);XB(D)::S(A)
- B(c);XB(D)::R1(C)
- Refutation
- S(d);XS(E)
- Try
- R(B);XR(a)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::R1(C)
- R(b);::R1(B)
- B(c);::S(A)
- Refutation
- S(d);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(a);XR(B)::S(E)
- B(c);XR(B)::S(A)
- S(d);XS(E)::S(A)
- B(c);::S(E)
- S(d);S_CUTR(b)::R1(C)
- S(d);::S(E)
- Refutation
- R(b);
- Try
- R(B);CHECK
- Vars
- S(d);XR(B)::R1(C)
- Refutation
- R(b);XR(B)
- Try
- Actual
- B(D);
- Threat
- DUALS(2)
- Vars
- R(a);XB(D)::S(A)
- B(c);XB(D)::R1(B)
- S(d);XS(E)::R1(B)
- R(b);N_GUARD::R1(C),XR(b)
- B(c);::S(A)
- S(d);S_CUTR(b)::R1(C)
- S(d);::S(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).