MESON Chess Problem Database
Problem Display
PID: 275603 (1q5r/1b6/2RNN3/8/r5R1/2P5/BbK1k1P1/6Q1 w - - 0 1)
Savournin, Jacques
Phenix, 2001
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Sd4#
- 2.Sf4#
- 2.Re4#
- 1...Ra3
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Rc4
- 2.Bxc4#
- 1...Rd4
- 2.Sxd4#
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.Sxf4#
- 1...Ra5
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Ra6
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Ra7
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Ra8
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Rxa2
- Tries
- 1.Sc4?
- threat
- 2.Sd4#
- 2.Re4#
- 1...Rxc4
- 2.Bxc4#
- 1...Bxc3
- 2.Re4#
- 1...Bxc6
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qf4
- 2.Sxf4#
- 1...Qd6
- 2.Re4#
- 1...Qa7
- 2.Sf4#
- 1...Qd8
- 2.Sf4#
- 2.Re4#
- 1...Rh3
- 2.Sd4#
- 1...Rh4
- 2.Sd4#
- 1...Rd8
- 2.Re4#
- 1...Bc1
- 2.Sd4#
- 1...Qe5!
- threat
- 1.Se4?
- threat
- 2.Qf2#
- 1...Rxe4
- 2.Rxe4#
- 1...Qg3
- 2.Sxg3#
- 1...Qf4
- 2.Sxf4#
- 1...Qa7
- 2.Sg3#
- 2.Sf4#
- 1...Qf8
- 2.Sg3#
- 1...Rf8!
- threat
- 1.Rxa4?
- threat
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Qxd6
- 2.Re4#
- 1...Bxc3
- 2.Sf4#
- 2.Bc4#
- 2.Re4#
- 1...Bxc6
- 2.Sd4#
- 2.Sf4#
- 2.Bc4#
- 1...Qa7
- 2.Sf4#
- 2.Bc4#
- 1...Qf8
- 2.Sd4#
- 2.Bc4#
- 2.Re4#
- 1...Rh3
- 2.Sd4#
- 2.Sf4#
- 1...Rf8
- 2.Sd4#
- 2.Bc4#
- 2.Re4#
- 1...Bc1
- 2.Sd4#
- 2.Bc4#
- 1...Ba6
- 2.Sd4#
- 2.Sf4#
- 2.Re4#
- 1...Rh4!
- threat
- 1.Rf4?
- threat
- 2.Qf2#
- 1...Rxf4
- 2.Sxf4#
- 1...Qa7!
- threat
- 1.Rcc4?
- threat
- 2.Sd4#
- 2.Sf4#
- 1...Be4+
- 2.Rgxe4#
- 1...Rxc4
- 2.Bxc4#
- 1...Bxc3
- 2.Sf4#
- 1...Bxg2
- 2.Sd4#
- 1...Qa7
- 2.Sf4#
- 1...Qf8
- 2.Sd4#
- 1...Rf8
- 2.Sd4#
- 1...Bc1
- 2.Sd4#
- 1...Qxd6!
- threat
- 1.Qd1+?
- 1...Ke3
- 2.Qf3#
- 2.Qe1#
- 2.Qd2#
- 1...Kf2!
- 1...Ke3
- 1.Qf1+?
- 1...Ke3
- 2.Sf5#
- 2.Rg3#
- 2.Qe1#
- 2.Qf3#
- 1...Kxf1!
- 1...Ke3
- 1.Sc4?
- Keys
- 1.c4!
- threat
- 2.Sf4#
- 2.Re4#
- 1...Rxc4+
- 2.Bxc4#
- 1...Qxd6
- 2.Re4#
- 1...Bxc6
- 2.Sf4#
- 1...Qa7
- 2.Sf4#
- 1...Qf8
- 2.Re4#
- 1...Ra3
- 2.Sf4#
- 1...Rh3
- 2.Sf4#
- 1...Rh4
- 2.Sf4#
- 1...Rf8
- 2.Re4#
- 1...Bc1
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sf4#
- 1...Be5
- 2.Re4#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD,P_PINP(E)::B(B),XR(c)
- R(c);N_GUARD::S(I),XR(c)
- R(c);N_GUARD::R(F),XR(c)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,P_PINP(E),XS(H)::B(B),XR(c)
- B(a);XP(E)::R(F)
- B(d);XR(G)::S(I)
- Q(e);::S(I)
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);::R(F)
- Q(e);N_GUARD::S(I)
- R(f);::S(I)
- R(f);::R(F)
- B(a);::S(I)
- Refutation
- Q(e);
- Try
- S(H);
- Threat
- QAR1(A)
- Vars
- R(c);OGATE,XS(H)::R(F),XR(c)
- Q(e);N_GUARD::S(H),XQ(e)
- Q(e);N_GUARD::S(I),XQ(e)
- Q(e);N_GUARD::S(H)
- Refutation
- R(f);
- Try
- R(F);XR(c)
- Threat
- DUALS(4)
- Vars
- Q(e);XS(H)::R(F)
- Refutation
- R(f);
- Try
- R(F);
- Threat
- QAR1(A)
- Vars
- R(c);XR(F)::S(I),XR(c)
- Refutation
- Q(e);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,N_GUARD::R(F),XB(d)
- R(c);OGATE,P_PINP(E),XR(G)::B(B),XR(c)
- B(a);XP(E)::S(I)
- B(d);XP(D)::S(I)
- Q(e);::S(I)
- R(f);::S(I)
- B(a);::S(I)
- Refutation
- Q(e);XS(H)
- Try
- Q(A);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);CHECK
- Refutation
- K(b);S_FLIGHT,XQ(A)
- Try
- Actual
- P(E);
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,OGATE,XP(E)::B(B),XR(c)
- Q(e);XS(H)::R(F)
- B(d);XR(G)::S(I)
- Q(e);::S(I)
- Q(e);::R(F)
- R(c);::S(I)
- R(f);::S(I)
- R(f);::R(F)
- B(a);N_GUARD::S(I)
- B(a);::R(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).