MESON Chess Problem Database
Problem Display
PID: 103343 (Qb6/1rP1PK1p/bp1BP2p/3P3R/3kN2P/1P2R3/4pP1N/4n3 w - - 0 1)
Simay-Molnar, Aladar
2nd Prize, Western Morning News, 1922
(First published on Sat Jul 8 1922)
#2
14 + 9
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Be5#
- 1...Rxc7
- 2.Be5#
- 1...Bd3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Ba7
- 2.Qh8#
- 1...Bxc7
- 2.Qh8#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b5
- 2.Bc5#
- 1...Ra7
- Tries
- 1.Ba3?
- threat
- 2.Bb2#
- 1...Sd3
- 2.Sf3#
- 1...Rxc7!
- threat
- 1.Rf5?
- 1...Rxc7
- 2.Be5#
- 1...Bxc7
- 2.Qh8#
- 1...Ba7
- 2.Qh8#
- 1...Ra7
- 2.Be5#
- 1...Bd3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b5
- 2.Bc5#
- 1...h5!
- 1...Rxc7
- 1.Qxa6?
- threat
- 2.Qc4#
- 2.Qa1#
- 2.Qa4#
- 1...Ra7
- 2.Qc4#
- 2.Qxb6#
- 1...Sc2
- 2.Sf3#
- 2.Qd3#
- 2.Qc4#
- 1...Sd3
- 2.Sf3#
- 2.Qxd3#
- 2.Qc4#
- 1...b5
- 2.Bc5#
- 2.Qa1#
- 1...Rxc7!
- threat
- 1.Qxb8?
- threat
- 2.Qh8#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Rxb8!
- threat
- 1.cxb8Q?
- threat
- 2.Qh8#
- 1...Rxb8
- 2.Be5#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Rxe7+!
- threat
- 1.cxb8S?
- threat
- 2.Sc6#
- 1...Rxb8
- 2.Be5#
- 1...Rc7
- 2.Be5#
- 1...Bb5
- 2.Qa1#
- 1...Rxe7+!
- threat
- 1.cxb8B?
- 1...Rxb8
- 2.Be5#
- 1...Ra7
- 2.Be5#
- 1...Rc7
- 2.Be5#
- 1...Rd7
- 2.Be5#
- 1...Bd3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b5
- 2.Bc5#
- 1...Rxe7+!
- 1...Rxb8
- 1.cxb8R?
- 1...Rxb8
- 2.Be5#
- 1...Ra7
- 2.Be5#
- 1...Rc7
- 2.Be5#
- 1...Rd7
- 2.Be5#
- 1...Bd3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b5
- 2.Bc5#
- 1...Rxe7+!
- 1...Rxb8
- 1.c8Q?
- threat
- 2.Qc3#
- 2.Qh8#
- 1...Bxd6
- 2.Qc3#
- 1...Rc7
- 2.Be5#
- 2.Qh8#
- 1...Bc4
- 2.Qa1#
- 2.Qxc4#
- 2.Qh8#
- 1...Bc7
- 2.Qh8#
- 1...Sd3
- 2.Sf3#
- 2.Qc3#
- 1...Sf3
- 2.Sxf3#
- 2.Qc3#
- 1...Rxe7+!
- threat
- 1.e8Q?
- threat
- 2.Qh8#
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Rxc7+!
- threat
- 1.Ba3?
- Keys
- 1.Sg3!
- 1...Rxc7
- 2.Sf5#
- 1...Bxc7
- 2.Qh8#
- 1...Bd3
- 2.Qa1#
- 1...Sd3
- 2.Sxe2#
- 1...Ba7
- 2.Qh8#
- 1...Ra7
- 2.Sf5#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Sc2
- 2.Sf3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...b5
- 2.Sxe2#
- 1...Rxc7
- 1.Sg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);::B(I)
- R(g);P_PINP(L),XP(K)::B(I)
- B(d);OGATE::QAB(N)
- B(i);OGATE::QAB(N)
- B(i);OGATE,XP(K)::QAB(N)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);N_GUARD::B(I)
- Tries
- Try
- B(I);
- Threat
- B(I)
- Vars
- S(a);N_GUARD::S(B)
- Refutation
- R(g);P_PINP(L),XP(K)
- Try
- R(H);
- Vars
- R(g);P_PINP(L),XP(K)::B(I)
- B(i);OGATE,XP(K)::QAB(N)
- B(i);OGATE::QAB(N)
- R(g);::B(I)
- B(d);OGATE::QAB(N)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);N_GUARD::B(I)
- Refutation
- P(f);
- Try
- Q(N);XB(d)
- Threat
- DUALS(3)
- Refutation
- R(g);P_PINP(L),XP(K)
- Try
- Q(N);XB(i)
- Threat
- QAB(N)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(g);XQ(N)
- Try
- P(K);P_SPINP(L),XB(i)
- Threat
- QAB(K)
- Vars
- R(g);N_PINP(L),XQ(K)::B(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(K);P_SPINP(L),XB(i)
- Threat
- S(K)
- Vars
- R(g);N_PINP(L),XS(K)::B(I)
- R(g);::B(I)
- B(d);OGATE::QAB(N)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(K);P_SPINP(L),XB(i)
- Vars
- R(g);N_PINP(L),XB(K)::B(I)
- R(g);::B(I)
- B(d);OGATE::QAB(N)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);N_GUARD::B(I)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(K);P_SPINP(L),XB(i)
- Vars
- R(g);N_PINP(L),XR(K)::B(I)
- R(g);::B(I)
- B(d);OGATE::QAB(N)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);N_GUARD::B(I)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(K);P_SPINP(L)
- Threat
- DUALS(2)
- Vars
- B(i);XB(I)::QAB1(K)
- B(i);N_PINP(L)::QAB(K)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(L);P_SPINP(K)
- Threat
- QAB(L)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(g);CHECK,XP(K)
- Try
- Actual
- S(E);
- Vars
- R(g);P_PINP(L),XP(K)::S(E)
- B(i);OGATE,XP(K)::QAB(N)
- B(d);OGATE::QAB(N)
- S(a);S_CUTB(d)::S(E),XP(b)
- B(i);OGATE::QAB(N)
- R(g);::S(E)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);S_CUTB(d)::S(E),XP(b)
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).