MESON Chess Problem Database
Problem Display
PID: 7434 (B5K1/1nnpP3/3Bk3/3R2P1/8/1Q6/R3P1p1/8 w - - 0 1)
Slesarenko, Anatoly Vasilevich
1/2 Prize, Uralski Problemist TT, 1999
#2
9 + 5
| 145 | StrateGems | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Qe3#
- 2.Qh3#
- 1...Sc5
- 2.Qh3#
- 1...Sd8
- 2.Qe3#
- 2.Qh3#
- 2.exd8S#
- 1...Sb5
- 2.e8Q#
- 2.e8R#
- 1...Sa6
- 2.e8Q#
- 2.e8R#
- 1...Sxa8
- 2.e8Q#
- 2.e8R#
- 1...Sa5
- Tries
- 1.Bxc7?
- threat
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...Kxe7
- 2.Re5#
- 2.Qe3#
- 1...d6
- 2.e8Q#
- 1...g1Q
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...g1S
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...g1B
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...g1R
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...Sa5
- 2.Re5#
- 2.Qe3#
- 2.e8Q#
- 2.e8R#
- 1...Sc5
- 2.Re5#
- 2.e8Q#
- 2.e8R#
- 1...Sd8
- 2.Re5#
- 2.Qe3#
- 2.e8Q#
- 2.e8R#
- 1...Sd6!
- threat
- 1.Bxb7?
- threat
- 2.Qe3#
- 2.Qh3#
- 1...Sxd5
- 2.Qxd5#
- 1...g1S
- 2.Qe3#
- 1...g1B
- 2.Qh3#
- 1...g1R
- 2.Qe3#
- 1...g1Q!
- threat
- 1.Rad2?
- threat
- 2.Re5#
- 2.Qe3#
- 2.Qh3#
- 1...Sxd5
- 2.Qxd5#
- 1...g1Q
- 2.Re5#
- 1...g1S
- 2.Re5#
- 2.Qe3#
- 1...g1B
- 2.Re5#
- 2.Qh3#
- 1...g1R
- 2.Re5#
- 2.Qe3#
- 1...Sc5
- 2.Re5#
- 2.Qh3#
- 1...Sxd6!
- threat
- 1.Raa5?
- threat
- 2.Qe3#
- 2.Qh3#
- 1...Sxd6
- 2.Re5#
- 1...Sxd5
- 2.Qxd5#
- 1...g1S
- 2.Qe3#
- 1...g1B
- 2.Qh3#
- 1...g1R
- 2.Qe3#
- 1...Sc5
- 2.Qh3#
- 1...Sb5
- 2.e8Q#
- 2.e8R#
- 1...g1Q!
- threat
- 1.Rd1+?
- 1...Sd5
- 2.Qxd5#
- 1...Kf5!
- 1...Sd5
- 1.Rdd2+?
- 1...Sd5
- 2.Qxd5#
- 1...Kf5!
- 1...Sd5
- 1.Rd3+?
- 1...Sd5
- 2.Qxd5#
- 1...Kf5!
- 1...Sd5
- 1.Rd4+?
- 1...Sd5
- 2.Qxd5#
- 1...Kf5!
- 1...Sd5
- 1.Rda5+?
- 1...Sd5
- 2.Qxd5#
- 1...Kxd6!
- 1...Sd5
- 1.Rb5+?
- 1...Sd5
- 2.Qxd5#
- 1...Kxd6!
- 1...Sd5
- 1.Rc5+?
- 1...Sd5
- 2.Qxd5#
- 1...Kxd6!
- 1...Sd5
- 1.Qf3?
- threat
- 2.Qe4#
- 2.Qf5#
- 2.Qf7#
- 1...Sxd6
- 2.Qf6#
- 1...Sc5
- 2.Qg4#
- 2.Qh3#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Sd8
- 2.Qe4#
- 2.Qg4#
- 2.Qe3#
- 2.Qh3#
- 2.Qf5#
- 2.Qf6#
- 2.exd8S#
- 1...Sxd5!
- threat
- 1.Bxc7?
- Keys
- 1.Ra6!
- threat
- 2.Re5#
- 1...Sxd6
- 2.Qe3#
- 1...Sxd5
- 2.Qh3#
- 1...Sxa6
- 2.e8Q#
- 2.e8R#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(c);::QAB(C)
- S(d);N_GUARD::P=Q
- S(d);N_GUARD,XB(H)::P=Q
- Tries
- Try
- B(F);XS(d)
- Threat
- DUALS(3)
- Vars
- P(e);::P=Q
- Refutation
- S(c);
- Try
- B(H);XS(c)
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- P(a);::QAR(C)
- P(a);::QAB(C)
- P(a);P_PINP(E)::QAR(C)
- Refutation
- P(a);P_PINP(E)
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- P(a);P_PINP(E)::QAB(C)+R(D),DCHECK
- Refutation
- S(c);XB(F)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(c);SBLOCK,XB(F)::QAB(C)+R(D),DCHECK
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- P(a);::QAR(C)
- P(a);::QAB(C)
- P(a);P_PINP(E)::QAR(C)
- S(c);::QAB(C)
- S(d);N_GUARD::P=Q
- Refutation
- P(a);P_PINP(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);P-FLIGHT,XB(F)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);P-FLIGHT,XB(F)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(b);P-FLIGHT,XB(F)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- S(c);XB(F)::QAR1(C)
- Refutation
- S(d);XR(D)
- Try
- Actual
- R(A);
- Threat
- QAB(C)+R(D),DCHECK
- Vars
- S(c);P_SPINS(c),XB(F)::QAR(C)
- S(d);P_SPINS(d),SBLOCK,XR(D)::QAB(C)
- S(d);N_GUARD,XR(A)::P=Q
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).