MESON Chess Problem Database
Problem Display
PID: 66116 (5N2/3R3P/2BpPp1K/4k2P/1PP4R/2P1N1pQ/r3n3/1b6 w - - 0 1)
Ruszczynski, Piotr
Hlas l'udu, 1974
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Sg6#
- 2.Re4#
- 2.Qf5#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Sxg6#
- 1...Sc1
- 2.Qxg3#
- 1...Sg1
- 2.Qxg3#
- 1...Sxc3
- 2.Qxg3#
- 1...Sd4
- 2.Qxg3#
- 2.cxd4#
- 1...d5
- 2.Rxd5#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Rc2
- Tries
- 1.Sg4+?
- 1...Kf4
- 2.Qf1#
- 1...Kf5!
- 1...Kf4
- 1.Rb7?
- threat
- 2.Sd7#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bf5
- 2.Qxf5#
- 1...d5!
- threat
- 1.Rc7?
- threat
- 2.Sd7#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bf5
- 2.Qxf5#
- 1...d5!
- threat
- 1.Rd8?
- threat
- 2.Sd7#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bf5
- 2.Qxf5#
- 1...d5
- 2.Rxd5#
- 1...Ra7!
- threat
- 1.Qxg3+?
- 1...Sf4
- 2.Qxf4#
- 1...Sxg3!
- 1...Sf4
- 1.c5?
- threat
- 2.Sc4#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...d5
- 2.Rxd5#
- 1...Bd3!
- threat
- 1.e7?
- threat
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Bxh7
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Sxc3
- 2.Qe6#
- 2.Qxg3#
- 2.e8Q#
- 2.e8R#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Ra1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.Sg6#
- 2.Re4#
- 2.Qf5#
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rd2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra4
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra8
- 2.Qe6#
- 1...Bc2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Bd3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Be4
- 2.Rxe4#
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Sxg6#
- 2.Qe6#
- 1...Sc1
- 2.Qe6#
- 2.Qxg3#
- 2.e8Q#
- 2.e8R#
- 1...Sg1
- 2.Qe6#
- 2.Qxg3#
- 2.e8Q#
- 2.e8R#
- 1...Sd4
- 2.Qxg3#
- 2.cxd4#
- 1...g2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...d5
- 2.Rxd5#
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Sf4!
- threat
- 1.h8S?
- threat
- 2.Sf7#
- 1...Bg6
- 2.Sfxg6#
- 2.Shxg6#
- 1...f5!
- threat
- 1.Sg4+?
- Keys
- 1.Qf1!
- threat
- 2.Sg4#
- 1...Sxc3
- 2.Qf4#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qxf4#
- 1...d5
- 2.Rxd5#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(a);N_GUARD::R1(F),XB(a)
- B(a);N_GUARD::QAR1(C),XB(a)
- B(a);N_GUARD::S(M),XB(a)
- S(c);N_GUARD::QAB(C),XP(d)
- S(c);N_GUARD,XP(A)::QAB(C),XP(d)
- P(f);OGATE::R1(K),XP(f)
- P(g);::P=Q
- Tries
- Try
- S(B);CHECK
- Vars
- K(e);S_FLIGHT::QAR(C)
- Refutation
- K(e);P-FLIGHT
- Try
- R(K);
- Threat
- S(M)
- Vars
- P(g);::P=Q
- B(a);N_GUARD::QAR1(C),XB(a)
- Refutation
- P(f);
- Try
- R(K);
- Threat
- S(M)
- Vars
- P(g);::P=Q
- B(a);N_GUARD::QAR1(C),XB(a)
- Refutation
- P(f);
- Try
- R(K);
- Threat
- S(M)
- Vars
- P(g);::P=Q
- B(a);N_GUARD::QAR1(C),XB(a)
- P(f);OGATE::R1(K),XP(f)
- Refutation
- R(b);
- Try
- Q(C);CHECK,XP(d)
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(C),XS(c)
- Refutation
- S(c);XQ(C)
- Try
- P(E);
- Threat
- S(B)
- Vars
- P(g);::P=Q
- P(f);OGATE::R1(K),XP(f)
- Refutation
- B(a);
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- P(g);::P=Q
- R(b);::QAR1(C)
- B(a);N_GUARD::QAR1(C),XB(a)
- Refutation
- S(c);
- Try
- P(L);
- Threat
- S(L)
- Refutation
- P(g);
- Try
- Actual
- Q(C);
- Threat
- S(B)
- Vars
- S(c);N_GUARD,XP(A)::QAB1(C)
- P(g);::P=Q
- B(a);N_GUARD::QAR1(C),XB(a)
- S(c);N_GUARD::QAB1(C),XS(c)
- P(f);OGATE::R1(K),XP(f)
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).