MESON Chess Problem Database
Problem Display
PID: 12311 (5Q1K/8/4P1p1/1R5b/5Nkr/r3p3/1n2PP1p/5B2 w - - 0 1)
Krikheli, Iosif Mikhailovich
1st Prize, Shahmat, 1977
#2
8 + 8
| 3750 | FIDE Album (1977-1979) | 1984 |
| 721 | Variantim | 1989 |
SOLUTION
- SOUND
- Sets
- 1...g5
- 2.Qf5#
- 1...g5
- Tries
- 1.Sg2?
- threat
- 2.Qf3#
- 1...Kh3
- 2.Sxe3#
- 1...Ra8
- 2.Sxe3#
- 1...Rh3
- 2.Qf4#
- 1...exf2!
- threat
- 1.Sd3?
- threat
- 2.Qf3#
- 2.Qf4#
- 1...Rxd3
- 2.Qf3#
- 1...Sxd3
- 2.Qf3#
- 1...Rh3
- 2.Qf4#
- 1...h1Q
- 2.Qf4#
- 1...h1B
- 2.Qf4#
- 1...Ra4
- 2.Qf3#
- 1...g5
- 2.Se5#
- 2.Qf3#
- 2.Qf5#
- 1...Ra8!
- threat
- 1.Sh3?
- threat
- 2.Rg5#
- 2.Qf3#
- 2.Qf4#
- 1...exf2
- 2.Rg5#
- 2.Qf4#
- 1...h1Q
- 2.Rg5#
- 2.Qf4#
- 1...h1B
- 2.Rg5#
- 2.Qf4#
- 1...Ra4
- 2.Rg5#
- 2.Qf3#
- 1...Ra5
- 2.Qf3#
- 2.Qf4#
- 1...Ra8
- 2.Rg5#
- 1...Sd3
- 2.Rg5#
- 2.Qf3#
- 1...g5
- 2.Rxg5#
- 2.Qf3#
- 2.Qf5#
- 1...Rxh3!
- threat
- 1.Sxh5?
- threat
- 2.Qf3#
- 2.Qf4#
- 2.f3#
- 1...exf2
- 2.Qf4#
- 1...gxh5
- 2.Qf3#
- 2.Qf5#
- 1...Rh3
- 2.Qf4#
- 1...g5
- 2.Qf3#
- 1...h1Q
- 2.Qf4#
- 1...h1B
- 2.Qf4#
- 1...Ra4
- 2.Qf3#
- 2.f3#
- 1...Ra8
- 2.f3#
- 1...Sd3
- 2.Qf3#
- 2.f3#
- 1...Rxh5+!
- threat
- 1.Qc5?
- threat
- 2.Qg5#
- 1...Kxf4
- 2.Qd4#
- 1...g5
- 2.Qf5#
- 2.Qxg5#
- 1...Ra8+!
- threat
- 1.Qh6?
- threat
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 1...Ra8+!
- threat
- 1.Qf6?
- threat
- 2.Rg5#
- 2.Qg5#
- 1...Ra5
- 2.Qg5#
- 1...Rh3
- 2.Bxh3#
- 2.Qg5#
- 1...g5
- 2.Rxg5#
- 2.Qxg5#
- 2.Qf5#
- 1...Ra8+!
- threat
- 1.Qd8?
- threat
- 2.Qg5#
- 1...Kxf4
- 2.Qd4#
- 1...g5
- 2.Qxg5#
- 1...Ra8!
- threat
- 1.Sg2?
- Keys
- 1.Sd5!
- threat
- 2.Qf4#
- 1...Kg5
- 2.Sxe3#
- 1...Ra4
- 2.Sxe3#
- 1...Ra8
- 2.Sxe3#
- 1...Sd3
- 2.Sxe3#
- 1...g5
- 2.Qf3#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(h);N_GUARD::QAB1(G)
- Tries
- Try
- S(D);
- Threat
- QAB1(G)
- Vars
- K(e);S_FLIGHT::B(A)+S(D),XP(d)
- R(c);N_GUARD,P_PINQ(G)::S(D),XP(d)
- R(f);SBLOCK::QAR1(G)
- Refutation
- P(d);XP(C)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(D)::QAB1(G)
- S(a);XS(D)::QAB1(G)
- R(f);::QAR1(G)
- P(b);::QAR1(G)
- R(c);::QAB1(G)
- Refutation
- R(c);P_PINQ(G)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(c);P_PINQ(G)::R1(E)
- Refutation
- R(f);XS(D)
- Try
- S(D);P_SPINS(D),XB(g)
- Threat
- DUALS(3)
- Vars
- P(d);XP(C)::QAR1(G)
- R(f);::QAR1(G)
- P(h);::QAB1(G)
- P(b);::QAR1(G)
- R(c);P_PINQ(G)::P(C)
- Refutation
- R(f);CHECK,XS(D)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(e);OGATEB,P-FLIGHT,XS(D)::QAR2(G)
- Refutation
- R(c);CHECK
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(h);::QAR1(G),XP(h)
- Refutation
- R(c);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR1(G)
- Refutation
- R(c);CHECK
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(e);OGATEB,P-FLIGHT,XS(D)::QAR2(G)
- P(h);::QAR1(G),XP(h)
- Refutation
- R(c);P_PINQ(G)
- Try
- Actual
- S(D);
- Threat
- QAR1(G)
- Vars
- K(e);P-FLIGHT::R(E)+S(D),XP(d)
- R(c);N_GUARD::S(D),XP(d)
- R(c);N_GUARD,P_PINQ(G)::S(D),XP(d)
- S(a);S_CUTR(c)::S(D),XP(d)
- P(h);SBLOCK::QAB1(G)
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).