MESON Chess Problem Database
Problem Display
PID: 37906 (1bB2K2/1b2N1pp/p5pP/P2Pk3/1Q3R1P/1N2p3/4Pn1P/5R2 w - - 0 1)
Suvorov, Ivan
1st Place, Russian Championship, 1993
#2
13 + 9
| 3705 | Album Russia (1992-1994) | 2000 |
| 5402 | German Solving Championship | 2004 |
| 5559 | ECSC | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Qxb8#
- 1...Bc6
- 2.Qxb8#
- 1...Ba8
- 2.Qxb8#
- 1...Bxc8
- 2.Qxb8#
- 1...Bd6
- 2.Qd4#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...g5
- 2.Rf5#
- 1...Bxd5
- Tries
- 1.Sd2?
- threat
- 2.Sf3#
- 1...Bxd5
- 2.Qxb8#
- 1...Se4
- 2.Rxe4#
- 1...exd2!
- threat
- 1.Sd4?
- threat
- 2.Sf3#
- 1...Kxf4
- 2.Sdc6#
- 1...Bxd5
- 2.Qxb8#
- 1...Se4!
- threat
- 1.Sc5?
- threat
- 2.Sd7#
- 1...Bxd5
- 2.Qxb8#
- 1...Bxc8
- 2.Qxb8#
- 1...Bc6
- 2.Qxb8#
- 1...Kd6!
- threat
- 1.Sc6+?
- 1...Kxd5
- 2.Qc5#
- 1...Bxc6!
- 1...Kxd5
- 1.Sxg6+?
- 1...Kxd5
- 2.Qc5#
- 1...hxg6!
- 1...Kxd5
- 1.R1xf2?
- threat
- 2.Re4#
- 1...Bxd5
- 2.Qxb8#
- 1...exf2!
- threat
- 1.R4xf2?
- threat
- 2.Qf4#
- 1...g5
- 2.Rf5#
- 1...exf2!
- threat
- 1.Rf3?
- threat
- 2.Qf4#
- 1...Sd3
- 2.Rxe3#
- 1...Sh3
- 2.Rxe3#
- 1...g5
- 2.Rf5#
- 1...Se4!
- threat
- 1.Re4+?
- 1...Kf6
- 2.Sg8#
- 2.Re6#
- 1...Sxe4!
- 1...Kf6
- 1.Qc3+?
- 1...Kxf4
- 2.Qd4#
- 1...Kd6!
- 1...Kxf4
- 1.Qb6?
- 1...Kxf4
- 2.Qd4#
- 1...Bxd5
- 2.Qxb8#
- 1...Bxc8
- 2.Qxb8#
- 1...gxh6
- 2.Qf6#
- 1...Bc6
- 2.Qxb8#
- 1...Ba7
- 2.Qc7#
- 1...Ba8
- 2.Qxb8#
- 1...Bd6
- 2.Qd4#
- 1...Bc7
- 2.Qxc7#
- 1...Sd1
- 2.Qe6#
- 1...Sh1
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Se4
- 2.Qe6#
- 1...Sg4
- 2.Qe6#
- 1...g5!
- 1...Kxf4
- 1.Sd2?
- Keys
- 1.Sf5!
- threat
- 2.Qd4#
- 1...Bd6+
- 2.Qxd6#
- 1...Kxd5
- 2.Qc5#
- 1...Kf6
- 2.Qe7#
- 1...gxf5
- 2.Rxf5#
- 1...Ba7
- 2.Qd6#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- B(f);OGATE::QAB(E),XB(i)
- B(f);OGATE,XB(L)::QAB(E),XB(i)
- B(i);P_PINS(K),SBLOCK::QAB1(E)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- P(e);N_GUARD::R1(F)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- S(a);N_GUARD::R1(F),XS(a)
- Refutation
- P(b);XS(D)
- Try
- S(D);
- Threat
- S(D)
- Vars
- K(c);P_SPINS(a),S_FLIGHT,XR(F)::QAR(E)+S(D)
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- Refutation
- S(a);
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- B(f);OGATE,XB(L)::QAB(E),XB(i)
- B(f);OGATE::QAB(E),XB(i)
- Refutation
- K(c);S_FLIGHT
- Try
- S(K);CHECK
- Vars
- K(c);P-FLIGHT,XP(I)::QAR1(E)
- Refutation
- B(f);XS(K)
- Try
- S(K);CHECK,XP(e)
- Vars
- K(c);P-FLIGHT,XP(I)::QAR1(E)
- Refutation
- P(h);XS(K)
- Try
- R(A);XS(a)
- Threat
- R1(F)
- Vars
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- Refutation
- P(b);XR(A)
- Try
- R(F);XS(a)
- Threat
- QAB1(E)
- Vars
- P(e);N_GUARD::R1(F)
- Refutation
- P(b);XR(F)
- Try
- R(F);
- Threat
- QAB1(E)
- Vars
- S(a);N_GUARD::R(F),XP(b)
- P(e);N_GUARD::R1(F)
- Refutation
- S(a);
- Try
- R(F);CHECK
- Refutation
- S(a);XR(F)
- Try
- Q(E);CHECK
- Vars
- K(c);P_SPINS(a),S_FLIGHT,XR(F)::QAR2(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);
- Vars
- K(c);P_SPINS(a),S_FLIGHT,XR(F)::QAR2(E)
- B(f);OGATE,XP(I)::QAB(E),XB(i)
- B(f);OGATE,XB(L)::QAB(E),XB(i)
- P(g);N_GUARD,XP(J)::QAB1(E)
- B(f);OGATE::QAB(E),XB(i)
- B(i);N_GUARD::QAB(E)
- B(i);P_PINS(K),SBLOCK::QAB1(E)
- B(i);N_GUARD::QAB(E),XB(i)
- S(a);::QAR1(E)
- Refutation
- P(e);
- Try
- Actual
- S(K);
- Threat
- QAB1(E)
- Vars
- B(i);CHECK,N_GUARD::QAB1(E),XB(i)
- K(c);OGATEB,P-FLIGHT,XP(I)::QAR1(E)
- K(c);S_FLIGHT::QAB1(E)
- P(e);OGATE,XS(K)::R1(F),XP(e)
- B(i);N_GUARD::QAB1(E)
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).