MESON Chess Problem Database
Problem Display
PID: 185131 (1NNk3r/R2Pp3/2R5/Kp2Q3/1p5p/8/2n3nq/b3r2b w - - 0 1)
Rukhlis, Efim Naumovich
Myllyniemi-50 JT, 1980
#2
7 + 12
| 117 | Suomen Shakki | 1981 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qc7#
- 1...Qh3
- 2.Qc7#
- 1...Rb1
- 2.Qxe7#
- 1...Rc1
- 2.Qxe7#
- 1...Rd1
- 2.Qxe7#
- 1...Rf1
- 2.Qxe7#
- 1...Rg1
- 2.Qxe7#
- 1...Sce3
- 2.Qxe7#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Qg1
- Tries
- 1.Sd6?
- threat
- 2.Sb7#
- 2.Sf7#
- 2.Rc8#
- 1...exd6
- 2.Rc8#
- 1...Qf4
- 2.Sb7#
- 2.Rc8#
- 1...Rf1
- 2.Sb7#
- 2.Rc8#
- 1...Rh7
- 2.Sb7#
- 2.Rc8#
- 1...Rf8
- 2.Sb7#
- 2.Rc8#
- 1...e6!
- threat
- 1.Rxc2?
- threat
- 2.Sc6#
- 1...Se3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Rh6!
- threat
- 1.Rc3?
- threat
- 2.Sc6#
- 2.Qxh8#
- 1...Qxe5
- 2.Sc6#
- 1...Rxe5
- 2.Sc6#
- 1...Bxc3
- 2.Sc6#
- 1...Qg3
- 2.Sc6#
- 1...Qf4
- 2.Sc6#
- 1...Rf1
- 2.Sc6#
- 2.Qxe7#
- 1...Rh5
- 2.Sc6#
- 1...Rh7
- 2.Sc6#
- 1...Re8
- 2.Sc6#
- 1...Rf8
- 2.Sc6#
- 1...Rg8
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxh8#
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 2.Qxh8#
- 1...Rh6!
- threat
- 1.Rc4?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Rh6!
- threat
- 1.Rc5?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Rh6!
- threat
- 1.Rca6?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Rh6!
- threat
- 1.Rb6?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Rh6!
- threat
- 1.Rd6?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4!
- threat
- 1.Re6?
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sf4
- 2.Qc7#
- 1...Sge3!
- threat
- 1.Rf6?
- threat
- 2.Sc6#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- 1...Sd4!
- threat
- 1.Rh6?
- threat
- 2.Sc6#
- 2.Rxh8#
- 1...Qxe5
- 2.Sc6#
- 1...Bxe5
- 2.Sc6#
- 1...Qg3
- 2.Sc6#
- 1...Qf4
- 2.Sc6#
- 1...Rf1
- 2.Sc6#
- 2.Qxe7#
- 1...Rh7
- 2.Sc6#
- 1...Re8
- 2.Sc6#
- 1...Rf8
- 2.Sc6#
- 1...Rg8
- 2.Sc6#
- 1...Sd4
- 2.Rxh8#
- 2.Qxh8#
- 1...Sge3
- 2.Rxh8#
- 2.Qxe7#
- 1...Sf4
- 2.Rxh8#
- 2.Qc7#
- 1...Rxh6!
- threat
- 1.Sd6?
- Keys
- 1.Rg6!
- threat
- 2.Sc6#
- 1...Sd4
- 2.Qxh8#
- 1...Sge3
- 2.Qxe7#
- 1...Sf4
- 2.Qc7#
- threat
- 1.Rg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(f);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XP(j)
- S(d);S_CUTR(b)::QAB1(B),XP(j)
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(j);XS(G)::R1(C)
- Refutation
- P(j);
- Try
- R(C);XS(d)
- Threat
- S(F)
- Vars
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(f);XQ(B)::S(F)
- R(b);XQ(B)::S(F)
- B(a);XR(C)::S(F)
- Q(f);::S(F)
- R(l);::S(F)
- S(d);::QAR(B),XR(l)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- R(l);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- Refutation
- S(e);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- S(e);
- Try
- R(C);
- Threat
- S(F)
- Vars
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(B)
- Refutation
- S(d);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(f);XQ(B)::S(F)
- B(a);XQ(B)::S(F)
- Q(f);::S(F)
- R(l);::S(F)
- Refutation
- R(l);XR(C)
- Try
- Actual
- R(C);
- Threat
- S(F)
- Vars
- S(d);S_CUTB(a)::QAR(B),XR(l)
- S(e);S_CUTR(b)::QAB1(B),XP(j)
- S(e);S_CUTQ(f)::QAB1(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).