MESON Chess Problem Database
Problem Display
PID: 16241 (2R4b/qB6/1ppP4/1R4N1/PpPkP3/1P1pr3/1Kn4Q/3N2Br w - - 0 1)
Cheylan, Yves
3rd Prize, The Problemist, 2000/I
#2
13 + 10
| 56 | The Problemist | 2002 |
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxg1
- 2.Qxh8#
- 1...Be5
- 2.Qxe5#
- 1...Sa1
- 2.Bxe3#
- 1...Se1
- 2.Bxe3#
- 1...Sa3
- 2.Bxe3#
- 1...d2
- 2.Qxd2#
- 1...cxb5
- 2.Sf3#
- 2.Se6#
- 1...c5
- 2.Sf3#
- 2.Se6#
- 1...Rxg1
- Tries
- 1.Sc3?
- threat
- 2.Sf3#
- 2.Se6#
- 1...Rxg1
- 2.Se6#
- 2.Qxh8#
- 1...d2
- 2.Qxd2#
- 1...Se1
- 2.Se6#
- 1...bxc3+!
- threat
- 1.Sxe3?
- threat
- 2.Sxc2#
- 2.Sf5#
- 1...Rxg1
- 2.Sf5#
- 1...d2
- 2.Qxd2#
- 1...Sa1
- 2.Sc2#
- 2.Sf5#
- 1...Se1
- 2.Sc2#
- 2.Sf5#
- 1...Sa3
- 2.Sc2#
- 2.Sf5#
- 1...Sxe3!
- threat
- 1.Bxc6?
- threat
- 2.Sf3#
- 2.Se6#
- 2.Rd5#
- 1...Rxg1
- 2.Se6#
- 2.Rd5#
- 1...d2
- 2.Rd5#
- 2.Qxd2#
- 1...Qa5
- 2.Sf3#
- 2.Se6#
- 1...Qd7
- 2.Sf3#
- 2.Rd5#
- 1...Qe7
- 2.Sf3#
- 2.Rd5#
- 1...Se1
- 2.Se6#
- 2.Bxe3#
- 2.Rd5#
- 1...Qf7!
- threat
- 1.Rxh8?
- threat
- 2.Qe5#
- 1...cxb5
- 2.Se6#
- 1...d2
- 2.Qxd2#
- 1...c5
- 2.Sf3#
- 2.Se6#
- 1...Rxh2!
- threat
- 1.Qf4?
- threat
- 2.Sf3#
- 2.Se6#
- 2.e5#
- 1...Rxg1
- 2.Se6#
- 1...Rh3
- 2.Se6#
- 2.e5#
- 1...Rh4
- 2.Sf3#
- 2.Se6#
- 1...Rh6
- 2.Sf3#
- 2.e5#
- 1...Be5
- 2.Sf3#
- 2.Se6#
- 2.Qxe5#
- 1...Se1
- 2.Se6#
- 2.Bxe3#
- 2.Qxe3#
- 2.e5#
- 1...d2!
- threat
- 1.Qxh1?
- threat
- 2.Se6#
- 2.Qxh8#
- 1...Qxb7
- 2.Se6#
- 1...cxb5
- 2.Sf3#
- 2.Qxh8#
- 1...c5
- 2.Sf3#
- 2.Qxh8#
- 1...Be5
- 2.Se6#
- 1...Bf6
- 2.Se6#
- 1...Bg7
- 2.Se6#
- 1...d2!
- threat
- 1.Qg2?
- threat
- 2.Se6#
- 1...cxb5
- 2.Sf3#
- 1...d2
- 2.Qxd2#
- 1...c5
- 2.Sf3#
- 1...Rh6!
- threat
- 1.d7?
- threat
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Qxa4
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Qxb7
- 2.Qd6#
- 1...Rxg1
- 2.Qd6#
- 2.Qxh8#
- 2.d8Q#
- 2.d8R#
- 1...Rxh2
- 2.d8Q#
- 2.d8R#
- 1...cxb5
- 2.Sf3#
- 2.Se6#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...d2
- 2.Qd6#
- 2.Qxd2#
- 2.d8Q#
- 2.d8R#
- 1...Qa5
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Qa6
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Qa8
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Qd6#
- 1...Bg7
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Sa1
- 2.Bxe3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Se1
- 2.Bxe3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Sa3
- 2.Bxe3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...c5
- 2.Sf3#
- 2.Se6#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Qb8!
- threat
- 1.Sc3?
- Keys
- 1.Re8!
- threat
- 2.Sf3#
- 1...Rxg1
- 2.Qxh8#
- 1...cxb5
- 2.Se6#
- 1...d2
- 2.Qxd2#
- 1...Be5
- 2.Qxe5#
- 1...Se1
- 2.Bxe3#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD,N_SPINR(d),XB(B)::QAB(D),XB(j)
- B(j);N_GUARD::QAB1(D),XB(j)
- S(b);N_GUARD::B(B),XR(d)
- P(c);OGATEB::QAR2(D),XP(c)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(c);OGATEB::QAR2(D),XP(c)
- S(b);::S(J)
- Refutation
- P(e);CHECK,XS(A)
- Try
- S(A);XR(d)
- Threat
- DUALS(2)
- Vars
- R(a);XB(B)::S(A)
- P(c);OGATEB::QAR2(D),XP(c)
- Refutation
- S(b);P_SPINS(b),XS(A)
- Try
- B(L);XP(h)
- Threat
- DUALS(3)
- Refutation
- Q(i);
- Try
- R(M);XB(j)
- Threat
- QAB1(D)
- Vars
- P(h);XR(I)::S(J)
- P(c);OGATEB::QAR2(D),XP(c)
- Refutation
- R(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(a);N_SPINR(d),XB(B)::S(J)
- Refutation
- P(c);
- Try
- Q(D);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(i);XB(L)::S(J)
- B(j);::S(J)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- S(J)
- Vars
- P(h);XR(I)::S(J)
- P(c);OGATEB::QAR2(D),XP(c)
- P(h);::S(J)
- Refutation
- R(a);
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- Q(i);XB(L)::QAR2(D)
- R(a);XQ(D)::P=Q
- B(j);N_GUARD::QAB1(D),XB(j)
- B(j);::QAR2(D)
- Refutation
- Q(i);
- Try
- Actual
- R(M);
- Threat
- S(J)
- Vars
- R(a);N_GUARD,N_SPINR(d),XB(B)::QAB(D),XB(j)
- P(h);XR(I)::S(J)
- P(c);OGATEB::QAR2(D),XP(c)
- B(j);N_GUARD::QAB1(D),XB(j)
- S(b);N_GUARD::B(B),XR(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).