MESON Chess Problem Database
Problem Display
PID: 268303 (8/1p5B/1Pp4p/2Rp2pP/p1Pk1PQ1/B3p1pK/5rP1/3NN3 w - - 0 1)
Ceriani, Luigi
Eskilstuna Kuriren, 1926
#2
12 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sc2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rxg2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...Rxf4
- 2.Sf3#
- 1...e2
- 2.Sc2#
- 1...dxc4
- 2.Qd7#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- Tries
- 1.Bb4?
- 1...Rxg2
- 2.Sf3#
- 1...Rxf4
- 2.Sf3#
- 1...dxc4
- 2.Qd7#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- 2.Sc2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...e2
- 2.Sc2#
- 1...a3!
- 1...Rxg2
- 1.Bf5?
- 1...Rxg2
- 2.Sf3#
- 1...Rxf4
- 2.Sf3#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- 2.Sc2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...e2
- 2.Sc2#
- 1...dxc4!
- 1...Rxg2
- 1.Bg6?
- 1...Rxg2
- 2.Sf3#
- 1...Rxf4
- 2.Sf3#
- 1...dxc4
- 2.Qd7#
- 1...Rf1
- 2.Sc2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...e2
- 2.Sc2#
- 1...gxf4!
- 1...Rxg2
- 1.Rxc6?
- 1...Rxg2
- 2.Sf3#
- 1...Rxf4
- 2.Sf3#
- 2.Bb2#
- 1...dxc4
- 2.Rd6#
- 2.Qd7#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- 2.Sc2#
- 2.Bb2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 2.Bxb2#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 2.Bb2#
- 1...e2
- 2.Sc2#
- 2.Bb2#
- 1...bxc6!
- 1...Rxg2
- 1.Qf5?
- threat
- 2.Qd3#
- 2.Qe5#
- 2.Qf6#
- 1...Rxf4
- 2.Sc2#
- 1...dxc4
- 2.Qe4#
- 2.Qd7#
- 2.Qe5#
- 2.Qf6#
- 1...gxf4
- 2.Qf6#
- 1...Rd2
- 2.Sf3#
- 2.Qe5#
- 2.Qf6#
- 1...g4+!
- threat
- 1.Qe6?
- threat
- 2.Qxe3#
- 2.Qe5#
- 2.Qf6#
- 1...Rxf4
- 2.Sc2#
- 2.Qxe3#
- 1...gxf4
- 2.Qf6#
- 1...Re2
- 2.Sf3#
- 2.Qe5#
- 2.Qf6#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 2.Qe5#
- 2.Qf6#
- 1...e2
- 2.Sc2#
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 1...g4+!
- threat
- 1.Qxg3?
- threat
- 2.Qxe3#
- 1...gxf4
- 2.Qg7#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...e2
- 2.Sc2#
- 2.Qxf2#
- 2.Qc3#
- 2.Qd3#
- 2.Qe3#
- 1...g4+!
- threat
- 1.Qxg5?
- threat
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Rxf4
- 2.Sc2#
- 2.Qxf4#
- 1...hxg5!
- threat
- 1.cxd5?
- 1...Rxg2
- 2.Sf3#
- 1...Rxf4
- 2.Sf3#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- 2.Sc2#
- 1...Ra2
- 2.Sf3#
- 1...Rb2
- 2.Sf3#
- 1...Rc2
- 2.Sxc2#
- 2.Sf3#
- 1...Rd2
- 2.Sf3#
- 1...Re2
- 2.Sf3#
- 1...Rf3
- 2.Sc2#
- 2.Sxf3#
- 1...e2
- 2.Sc2#
- 1...cxd5!
- 1...Rxg2
- 1.fxg5+?
- 1...Rf4
- 2.Sf3#
- 2.Qxf4#
- 1...Ke5!
- 1...Rf4
- 1.Bb4?
- Keys
- 1.Sd3!
- 1...Rxg2
- 2.fxg5#
- 1...Rxf4
- 2.Bb2#
- 1...dxc4
- 2.Qd7#
- 1...gxf4
- 2.Qg7#
- 1...Rf1
- 2.Bb2#
- 1...Ra2
- 2.fxg5#
- 1...Rb2
- 2.Bxb2#
- 2.fxg5#
- 1...Rc2
- 2.fxg5#
- 1...Rd2
- 2.fxg5#
- 1...Re2
- 2.fxg5#
- 1...Rf3
- 2.Bb2#
- 1...e2
- 2.Bb2#
- 1...Rxg2
- 1.Sd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(B)
- R(a);N_GUARD,XP(C)::S(B)
- R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
- P(b);S_CUTR(a)::S(B)
- P(f);OGATEB,XP(F)::QAR(H)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- Tries
- Try
- B(D);
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
- P(f);OGATEB,XP(F)::QAR(H)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- R(a);N_GUARD::S(B)
- P(b);S_CUTR(a)::S(B)
- Refutation
- P(d);
- Try
- B(L);
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- R(a);N_GUARD::S(B)
- P(b);S_CUTR(a)::S(B)
- Refutation
- P(f);XP(F)
- Try
- B(L);
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
- P(f);OGATEB,XP(F)::QAR(H)
- R(a);N_GUARD::S(B)
- P(b);S_CUTR(a)::S(B)
- Refutation
- P(g);P_SPINP(g),XP(G)
- Try
- R(I);XP(h)
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- R(a);N_GUARD::S(B)
- Refutation
- P(j);XR(I)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD,XP(G)::S(B)
- P(g);XP(G)::QAB(H)
- Refutation
- P(g);CHECK
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- P(g);XP(G)::QAB(H)
- Refutation
- P(g);CHECK
- Try
- Q(H);XP(c)
- Threat
- QAB1(H),XP(b)
- Vars
- P(g);OGATE,XP(G)::QAB(H)
- R(a);N_GUARD::S(B)
- Refutation
- P(g);CHECK
- Try
- Q(H);XP(g)
- Threat
- DUALS(3)
- Refutation
- P(i);XQ(H)
- Try
- P(F);XP(f)
- Vars
- R(a);N_GUARD,XP(C)::S(B)
- R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- R(a);N_GUARD::S(B)
- P(b);S_CUTR(a)::S(B)
- Refutation
- P(h);XP(F)
- Try
- P(G);CHECK,XP(g)
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- Actual
- S(B);
- Vars
- R(a);N_GUARD,XP(C)::QAR(H)+P(G),XP(g)
- R(a);N_GUARD,P_SPINR(a),XP(G)::B(D)
- P(f);OGATEB,XP(F)::QAR(H)
- P(g);OGATE,P_SPINP(g),XP(G)::QAB(H)
- R(a);N_GUARD::B(D)
- R(a);N_GUARD::QAR(H)+P(G),XP(g)
- P(b);S_CUTR(a)::B(D)
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).