MESON Chess Problem Database
Problem Display
PID: 61322 (2rNr1B1/7b/4n3/1R3nRq/3kNbp1/2pP3p/2P5/1K2Q3 w - - 0 1)
Mirri, Giorgio
Schach-Aktiv, 2005
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Sxc6#
- 1...Ra8
- 2.Sc6#
- 1...Rb8
- 2.Sc6#
- 1...Rf8
- 2.Sxe6#
- 1...Rxg8
- 2.Sxe6#
- 1...Bc7
- 2.Sc6#
- 1...Sg3
- 2.Rbd5#
- 1...Sh4
- 2.Rbd5#
- 1...Sd6
- 2.Rbd5#
- 1...Sh6
- 2.Rbd5#
- 1...Se7
- 2.Sxe6#
- 1...Sfg7
- 2.Rbd5#
- 1...Sxg5
- 2.Rd5#
- 1...Sc7
- 2.Sc6#
- 1...Seg7
- 2.Rd5#
- 1...Sxd8
- 2.Rd5#
- 1...Sf8
- 2.Rd5#
- 1...Rc6
- Tries
- 1.Sd2?
- threat
- 2.Sb3#
- 2.Qe4#
- 1...Bxd2
- 2.Qe4#
- 2.Qe5#
- 1...Sxg5
- 2.Sb3#
- 2.Rd5#
- 1...Sxd8
- 2.Sb3#
- 2.Rd5#
- 1...Rc5
- 2.Qe4#
- 1...Be3
- 2.Sb3#
- 1...Se3
- 2.Sb3#
- 1...Sg3
- 2.Sb3#
- 2.Rbd5#
- 1...Sh4
- 2.Sb3#
- 2.Rbd5#
- 1...Sd6
- 2.Sb3#
- 2.Rbd5#
- 1...Sh6
- 2.Sb3#
- 2.Rbd5#
- 1...Se7
- 2.Sb3#
- 2.Sxe6#
- 1...Sfg7
- 2.Sb3#
- 2.Rbd5#
- 1...Sc5
- 2.Rb4#
- 1...Sc7
- 2.Sb3#
- 2.Sc6#
- 1...Seg7
- 2.Sb3#
- 2.Rd5#
- 1...Sf8
- 2.Sb3#
- 2.Rd5#
- 1...cxd2!
- threat
- 1.Sc5?
- threat
- 2.Sb3#
- 2.Qe4#
- 1...Rxc5
- 2.Qe4#
- 1...Sxc5
- 2.Rb4#
- 1...Sxg5
- 2.Sb3#
- 1...Sxd8
- 2.Sb3#
- 1...Be3
- 2.Sb3#
- 1...Se3
- 2.Sb3#
- 1...Sg3
- 2.Sb3#
- 2.Rb4#
- 1...Sh4
- 2.Sb3#
- 2.Rb4#
- 1...Sd6
- 2.Sb3#
- 1...Sh6
- 2.Sb3#
- 2.Rb4#
- 1...Se7
- 2.Sb3#
- 2.Scxe6#
- 2.Sdxe6#
- 2.Rb4#
- 1...Sfg7
- 2.Sb3#
- 2.Rb4#
- 1...Sc7
- 2.Sb3#
- 2.Sc6#
- 1...Seg7
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 1...Kd5!
- threat
- 1.Sf6?
- threat
- 2.Rd5#
- 2.Qe4#
- 1...Rcxd8
- 2.Qe4#
- 1...Rexd8
- 2.Qe4#
- 1...Sxg5
- 2.Rd5#
- 1...Sxd8
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Rc5
- 2.Qe4#
- 1...Rb8
- 2.Sc6#
- 2.Qe4#
- 1...Sg3
- 2.Rbd5#
- 1...Sh4
- 2.Rbd5#
- 1...Sd6
- 2.Rbd5#
- 1...Sh6
- 2.Rbd5#
- 1...Se7
- 2.Sxe6#
- 1...Sfg7
- 2.Rbd5#
- 1...Sc5
- 2.Rb4#
- 1...Sc7
- 2.Sc6#
- 1...Seg7
- 2.Rd5#
- 1...Sf8
- 2.Rd5#
- 1...Se3!
- threat
- 1.Qf2+?
- 1...Se3
- 2.Rbd5#
- 1...Be3!
- 1...Se3
- 1.Qg1+?
- 1...Se3
- 2.Rbd5#
- 1...Be3!
- 1...Se3
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Qe4#
- 1...Sxg3
- 2.Rbd5#
- 1...Sxg5
- 2.Rd5#
- 1...Sxd8
- 2.Rd5#
- 1...Be3
- 2.Se2#
- 1...Se3
- 2.Se2#
- 1...Sh4
- 2.Rbd5#
- 1...Sd6
- 2.Rbd5#
- 1...Sh6
- 2.Rbd5#
- 1...Se7
- 2.Sxe6#
- 1...Sfg7
- 2.Rbd5#
- 1...Sc5
- 2.Rb4#
- 1...Sc7
- 2.Sc6#
- 1...Seg7
- 2.Rd5#
- 1...Sf8
- 2.Rd5#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(j);N_GUARD::S(H),XR(j)
- R(j);N_GUARD::S(H)
- R(j);N_GUARD,P_PINR(F)::S(H)
- R(k);N_GUARD::S(H),XS(h)
- R(k);N_GUARD,XB(I)::S(H),XS(h)
- B(d);S_CUTR(j)::S(H)
- S(f);::R1(F)
- S(f);S_CUTR(k)::S(H),XS(h)
- S(h);XR(G)::R1(F)
- S(h);S_CUTR(j)::S(H)
- S(h);::R1(F)
- S(h);XS(H)::R1(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(j);::QAR1(B)
- B(d);::S(E)
- S(f);::S(E)
- S(h);SBLOCK,S_CUTR(j)::R(F)
- Refutation
- P(a);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(j);XS(E)::QAR1(B)
- S(h);SBLOCK,XS(E)::R(F)
- S(h);XR(G)::S(E)
- S(h);XS(H)::S(E)
- B(d);::S(E)
- S(f);::S(E)
- S(h);::S(E)
- Refutation
- K(c);P-FLIGHT,P_SPINS(f)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(j);XS(H)::QAR1(B)
- R(k);XS(H)::QAR1(B)
- S(h);XR(G)::R1(F)
- S(h);XS(H)::R1(F)
- B(d);::R1(F)
- R(j);::QAR1(B)
- S(f);::R1(F)
- S(f);S_CUTR(k)::S(H),XS(h)
- S(h);SBLOCK,S_CUTR(j)::R(F)
- S(h);S_CUTR(j)::S(H)
- S(h);::R1(F)
- Refutation
- S(f);
- Try
- Q(B);CHECK
- Vars
- S(f);P_SPINS(f)::R1(F)
- Refutation
- B(d);P_SPINB(d)
- Try
- Q(B);CHECK
- Vars
- S(f);P_SPINS(f)::R1(F)
- Refutation
- B(d);P_SPINB(d)
- Try
- Actual
- S(E);
- Threat
- QAR1(B)
- Vars
- S(f);XS(E)::R1(F)
- S(h);XR(G)::R1(F)
- S(h);XS(H)::R1(F)
- B(d);SBLOCK::S(E)
- S(f);SBLOCK::S(E)
- S(f);::R1(F)
- S(f);S_CUTR(k)::S(H),XS(h)
- S(h);SBLOCK,S_CUTR(j)::R(F)
- S(h);S_CUTR(j)::S(H)
- S(h);::R1(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).