MESON Chess Problem Database
Problem Display
PID: 22018 (5Q2/2rP4/4P1p1/Rn1nk1N1/2bRN1Pr/2p4p/3P3b/K5B1 w - - 0 1)
Prytz, Rudolf
3rd Prize, Good Companions, 1923
#2
11 + 10
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Qd6#
- 2.Qf6#
- 1...Sxd4
- 2.Bxh2#
- 2.Qd6#
- 2.Qf6#
- 1...Sd6
- 2.Qxd6#
- 2.Qf6#
- 1...Sa7
- 2.Qd6#
- 2.Qf6#
- 1...Se3
- 2.Qd6#
- 2.Qf6#
- 1...Sb4
- 2.Qd6#
- 2.Qf6#
- 1...Sf4
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 1...Sb6
- 2.Qd6#
- 2.Qf6#
- 1...Sf6
- 2.Qd6#
- 2.Qxf6#
- 1...Se7
- 2.Qf6#
- 1...Sa3
- Tries
- 1.Sc5?
- threat
- 2.Sf3#
- 2.Re4#
- 1...Rxg4
- 2.Sf3#
- 1...Rxc5
- 2.Re4#
- 1...Se3
- 2.Sf3#
- 2.Qg7#
- 1...Be2
- 2.Re4#
- 1...Bd3
- 2.Sxd3#
- 2.Sf3#
- 1...Sd6
- 2.Sf3#
- 1...Sb4
- 2.Sf3#
- 2.Qg7#
- 1...Sf4
- 2.Sf3#
- 2.Qg7#
- 1...Sb6
- 2.Sf3#
- 2.Qg7#
- 1...Sf6
- 2.Sf3#
- 2.Sf7#
- 1...Se7
- 2.Sf3#
- 2.Qg7#
- 1...Sxd4!
- threat
- 1.Bxh2+?
- 1...Sf4
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 1...Kxd4!
- 1...Sf4
- 1.Rxd5+?
- 1...Bxd5
- 2.Qf6#
- 1...Kxd5!
- 1...Bxd5
- 1.Rxb5?
- threat
- 2.Qd6#
- 2.Qf6#
- 1...Rxg4
- 2.Qf6#
- 1...Rxd7
- 2.Qf6#
- 1...Bxg1
- 2.Qf6#
- 1...Bxb5
- 2.Qd6#
- 1...Rc5
- 2.Qd6#
- 1...Rc6
- 2.Qf6#
- 1...Ra7+!
- threat
- 1.Qg7+?
- 1...Sf6
- 2.Qxf6#
- 1...Kf4!
- 1...Sf6
- 1.Qf7?
- threat
- 2.Sf3#
- 1...Sxd4
- 2.Bxh2#
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Be2!
- threat
- 1.Sc5?
- Keys
- 1.Sf2!
- threat
- 2.Re4#
- 1...Kxd4
- 2.Sf3#
- 1...Rxg4
- 2.Sxg4#
- 1...Sxd4
- 2.Bxh2#
- 1...Bd3
- 2.Sxd3#
- 1...Sd6
- 2.Qg7#
- 1...Se3
- 2.Qg7#
- 1...Sb4
- 2.Qg7#
- 1...Sf4
- 2.Qg7#
- 1...Sb6
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Se7
- 2.Qg7#
- threat
- 1.Sf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD,P_SPINS(f)::QAB1(K)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(e);XP(F)::S(H)
- R(j);XS(E)::R1(D)
- B(d);::R1(D)
- S(f);::S(H)
- Refutation
- S(f);XR(D)
- Try
- B(B);CHECK,XB(a)
- Refutation
- K(h);S_FLIGHT,XR(D)
- Try
- R(D);CHECK,XS(g)
- Vars
- B(d);SBLOCK,XR(D)::QAB1(K)
- Refutation
- K(h);P-FLIGHT,P_SPINS(f),XR(D)
- Try
- R(G);P_PINS(g),XS(f)
- Threat
- DUALS(2)
- Vars
- R(e);XP(F)::QAB1(K)
- R(j);XP(J)::QAB1(K)
- B(a);XB(B)::QAB1(K)
- B(d);N_SPINS(g),XR(G)::QAB1(K)
- R(j);N_SPINS(g)::QAB1(K)
- R(j);::QAB1(K)
- Refutation
- R(j);CHECK
- Try
- Q(K);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(f)::QAB1(K),XS(g)
- Refutation
- K(h);S_FLIGHT
- Try
- Q(K);
- Threat
- S(H)
- Vars
- S(g);N_GUARD,P_SPINS(f)::QAB1(K),XS(g)
- Refutation
- B(d);
- Try
- Actual
- S(E);
- Threat
- R1(D)
- Vars
- K(h);S_FLIGHT,XR(D)::S(H)
- R(e);XP(F)::S(E),XR(e)
- S(f);P_SPINS(g),SBLOCK,XR(D)::B(B),XB(a)
- B(d);N_GUARD::S(E),XB(d)
- S(f);P_SPINS(g),SBLOCK::QAB(K)
- S(g);N_GUARD,P_SPINS(f)::QAB(K)
- S(g);P_SPINS(f),SBLOCK::QAB1(K)
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).