MESON Chess Problem Database
Problem Display
PID: 80820 (7b/1K2n1n1/1R3NNp/P4k1r/R3p2P/2B1pb1P/B4rQ1/8 w - - 0 1)
Savournin, Jacques
Comm., Springaren, 1965
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxe4#
- 1...Be2
- 2.Qxe4#
- 1...Bg4
- 2.Qxe4#
- 2.Qxg4#
- 1...Sc8
- 2.Rb5#
- 1...Sg8
- 2.Rb5#
- 1...Se6
- 2.Bxe6#
- 1...Se8
- 2.Be6#
- 1...Bd1
- Tries
- 1.Sg4?
- threat
- 2.Sxe3#
- 2.Rf6#
- 1...Rxh4
- 2.Sxe3#
- 1...Bxg4
- 2.Rf6#
- 2.Qxe4#
- 2.Qxg4#
- 2.hxg4#
- 1...Sxg6
- 2.Rf6#
- 1...Sc6
- 2.Sxe3#
- 1...Se6
- 2.Sxe3#
- 1...Rb2
- 2.Sxe3#
- 1...Re2
- 2.Rf6#
- 1...Sg8
- 2.Sxe3#
- 1...Se8
- 2.Sxe3#
- 1...e2
- 2.Se3#
- 2.Rf6#
- 1...Sd5!
- threat
- 1.Sd5?
- threat
- 2.Sxe3#
- 2.Sdxe7#
- 2.Sgxe7#
- 2.Rf6#
- 1...Sxg6
- 2.Rf6#
- 2.Qxg6#
- 1...Sc6
- 2.Sxe3#
- 1...Rb2
- 2.Sxe3#
- 2.Sdxe7#
- 2.Sgxe7#
- 1...Re2
- 2.Sdxe7#
- 2.Sgxe7#
- 2.Rf6#
- 1...Sc8
- 2.Sxe3#
- 2.Rf6#
- 1...Sg8
- 2.Sxe3#
- 1...Se6
- 2.Sxe3#
- 2.Sdxe7#
- 2.Sgxe7#
- 1...Se8
- 2.Sxe3#
- 2.Sdxe7#
- 2.Sgxe7#
- 1...e2
- 2.Se3#
- 2.Sdxe7#
- 2.Sgxe7#
- 2.Rf6#
- 1...Sxd5!
- threat
- 1.Sxh5?
- threat
- 2.Sg3#
- 2.Sxe7#
- 2.Rf6#
- 1...Rxg2
- 2.Sxe7#
- 2.Rf6#
- 1...Bxh5
- 2.Rf6#
- 2.Qxe4#
- 1...Sxg6
- 2.Rf6#
- 2.Qxg6#
- 1...Sxh5
- 2.Be6#
- 1...Rb2
- 2.Sg3#
- 2.Sxe7#
- 1...Sd5
- 2.Sg3#
- 1...Sc8
- 2.Sg3#
- 2.Rb5#
- 2.Rf6#
- 1...Sg8
- 2.Sg3#
- 2.Rb5#
- 1...Se6
- 2.Sxe7#
- 2.Bxe6#
- 1...Se8
- 2.Sg3#
- 2.Sxe7#
- 2.Be6#
- 1...Sc6!
- threat
- 1.Se8?
- threat
- 2.Sd6#
- 2.Rf6#
- 1...Rxa2
- 2.Rf6#
- 1...Rxg2
- 2.Rf6#
- 1...Bxg2
- 2.Rf6#
- 1...Sxg6
- 2.Rf6#
- 1...Sxe8
- 2.Be6#
- 1...Rb2
- 2.Sd6#
- 1...Rd2
- 2.Rf6#
- 1...Rg5
- 2.Rf6#
- 1...Bg4
- 2.Rf6#
- 2.Qxe4#
- 2.Qxg4#
- 2.hxg4#
- 1...Sc6
- 2.Sd6#
- 1...Sc8
- 2.Rb5#
- 2.Rf6#
- 1...Sg8
- 2.Sd6#
- 2.Rb5#
- 1...Se6
- 2.Sd6#
- 2.Bxe6#
- 1...Sd5!
- threat
- 1.Rxe4?
- threat
- 2.Sxe7#
- 1...Bxe4+
- 2.Qxe4#
- 1...Sd5
- 2.Re5#
- 1...Sc6
- 2.Rf4#
- 1...Sc8
- 2.Rb5#
- 1...Sg8
- 2.Rb5#
- 1...Sxg6!
- threat
- 1.Sg4?
- Keys
- 1.Sxe4!
- threat
- 2.Rf6#
- 1...Bxe4+
- 2.Qxe4#
- 1...Rb2
- 2.Qxf3#
- 1...Sd5
- 2.Sg3#
- 1...Sc6
- 2.Sd6#
- 1...Sg8
- 2.Rb5#
- 1...Se6
- 2.Bxe6#
- 1...Se8
- 2.Be6#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(c);OGATE::QAB1(B),XP(d)
- S(h);N_GUARD::R(H)
- S(i);N_GUARD::B(A),XS(i)
- S(i);N_GUARD::B(A)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(f);XP(F)::S(I),XP(b)
- S(h);XS(J)::R1(H)
- S(h);::S(I),XP(b)
- S(i);::S(I),XP(b)
- R(a);P_PINR(H)::S(I),XP(b)
- R(a);::R1(H)
- Refutation
- S(h);
- Try
- S(I);
- Threat
- DUALS(4)
- Vars
- S(h);::S(I),XP(b)
- Refutation
- S(h);XS(I)
- Try
- S(I);XR(f)
- Threat
- DUALS(3)
- Vars
- S(i);N_GUARD,XS(I)::B(A)
- S(h);::S(I)
- Refutation
- S(h);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(a);XB(A)::R1(H)
- R(a);XQ(B)::R1(H)
- B(c);XQ(B)::R1(H)
- S(h);XS(J)::R1(H)
- S(i);N_GUARD,XS(I)::B(A)
- R(a);P_PINR(H)::S(I)
- R(a);::R1(H)
- R(f);::R1(H)
- S(h);::S(I)
- Refutation
- S(h);
- Try
- R(E);P_SPINR(E),XP(d)
- Threat
- S(J),XS(h)
- Vars
- B(c);CHECK,OGATE,XR(E)::QAB1(B),XB(c)
- S(h);N_PINR(E)::R1(E)
- S(h);N_GUARD::R(H)
- Refutation
- S(h);XS(J)
- Try
- Actual
- S(I);P_SPINS(I),XP(d)
- Threat
- R1(H)
- Vars
- B(c);CHECK,OGATE,XS(I)::QAB1(B),XB(c)
- R(a);N_GUARD,P_PINR(H)::QAR2(B),XB(c)
- S(h);N_PINS(I)::S(I)
- S(h);N_GUARD::R(H)
- S(i);N_GUARD::B(A),XS(i)
- S(i);N_GUARD::B(A)
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).