MESON Chess Problem Database
Problem Display
PID: 274550 (8/1p6/1P1PK3/2Q1B3/1pN1k1np/1P1q3p/3pPn1P/3N2R1 w - - 0 1)
Beck, Gyula
Western Morning News, 1925
(First published on Sat Feb 14 1925)
#2
11 + 9
| 15239 | Valois Notebooks | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qc2
- 2.Qd4#
- 2.Qd5#
- 1...Qxe2
- 2.Qd5#
- 1...Qxc4+
- 2.Qxc4#
- 1...Qxb3
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qg3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qd4
- 2.Qxd4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Sxd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sxh2
- 2.Sxf2#
- 1...Se3
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...Qb1
- Tries
- 1.Sc3+?
- 1...Qxc3
- 2.Qd5#
- 1...bxc3!
- 1...Qxc3
- 1.Rg2?
- 1...Qxc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Qxe2
- 2.Qd5#
- 1...Qxb3
- 2.Qd4#
- 2.Qd5#
- 1...Sxd1
- 2.Rxg4#
- 1...Sxh2
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Qb1
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qc2
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qg3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qd4
- 2.Qxd4#
- 1...Sh1
- 2.Rxg4#
- 1...Se3
- 2.Sxf2#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...hxg2!
- 1...Qxc4+
- 1.Rg3?
- 1...Qxc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Qxe2
- 2.Qd4#
- 2.Qd5#
- 1...Qxb3
- 2.Qd4#
- 2.Qd5#
- 1...Qxg3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Sxd1
- 2.Rxg4#
- 2.exd3#
- 1...Sxh2
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Qb1
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qc2
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qd4
- 2.Qxd4#
- 1...Sh1
- 2.Rxg4#
- 2.exd3#
- 1...Se3
- 2.Sxf2#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...hxg3!
- 1...Qxc4+
- 1.Qe3+?
- 1...Sxe3
- 2.Sxf2#
- 1...Qxe3!
- 1...Sxe3
- 1.Qb5?
- 1...Qxc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Qxe2
- 2.Qd5#
- 1...Qxb3
- 2.Qd5#
- 1...Sxd1
- 2.Rxg4#
- 1...Sxh2
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Qb1
- 2.Sxd2#
- 2.Qd5#
- 1...Qc2
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Qd5#
- 1...Qg3
- 2.Sxd2#
- 2.Qd5#
- 1...Sh1
- 2.Rxg4#
- 1...Se3
- 2.Sxf2#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...Qd4!
- 1...Qxc4+
- 1.Qc6+?
- 1...Qd5+
- 2.Qxd5#
- 1...bxc6!
- 1...Qd5+
- 1.d7?
- 1...Qxc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qd6+
- 2.Sxd6#
- 1...Qxe2
- 2.Qd5#
- 1...Qxb3
- 2.Qd4#
- 2.Qd5#
- 1...Sxd1
- 2.Rxg4#
- 1...Sxh2
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Qd4
- 2.Qxd4#
- 1...Qb1
- 2.Sxd2#
- 2.Sd6#
- 2.Qd4#
- 2.Qd5#
- 1...Qc2
- 2.Sd6#
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Sd6#
- 2.Qd5#
- 1...Qe3
- 2.Sd6#
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Sd6#
- 2.Qd4#
- 2.Qd5#
- 1...Qg3
- 2.Sxd2#
- 2.Sd6#
- 2.Qd4#
- 2.Qd5#
- 1...Sh1
- 2.Rxg4#
- 1...Se3
- 2.Sxf2#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...Qxd7+!
- 1...Qxc4+
- 1.Sc3+?
- Keys
- 1.Rf1!
- 1...Qxc4+
- 2.Qxc4#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Qxe2
- 2.Qd5#
- 1...Qxb3
- 2.Qd4#
- 2.Qd5#
- 1...Sxd1
- 2.Rf4#
- 1...Sxh2
- 2.Sxf2#
- 1...Sxe5
- 2.Qxe5#
- 1...Qb1
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qc2
- 2.Qd4#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qe3
- 2.Qd5#
- 1...Qf3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qg3
- 2.Sxd2#
- 2.Qd4#
- 2.Qd5#
- 1...Qd4
- 2.Qxd4#
- 1...Sh1
- 2.Rf4#
- 1...Se3
- 2.Sxf2#
- 1...Sf6
- 2.Sxf2#
- 1...Sh6
- 2.Sxf2#
- 1...Qxc4+
- 1.Rf1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD,XP(C)::QAB1(G)
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,XP(J)::S(F),XQ(c)
- S(b);N_GUARD,XS(A)::R(B),XS(g)
- S(b);N_GUARD::R(B),XS(g)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);N_GUARD::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Tries
- Try
- S(A);CHECK
- Vars
- Q(c);XS(A)::QAB1(G)
- Refutation
- P(e);XS(A)
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,XP(J)::S(F),XQ(c)
- Q(c);N_GUARD,XP(C)::QAB1(G)
- S(b);N_GUARD,XS(A)::R(B),XS(g)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- S(b);N_GUARD::R(B),XS(g)
- S(g);N_GUARD::S(A),XS(b)
- Refutation
- P(d);XR(B)
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,XP(J)::S(F),XQ(c)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- S(g);N_GUARD::S(A),XS(b)
- Refutation
- P(h);XR(B)
- Try
- Q(G);CHECK
- Vars
- S(g);XQ(G)::S(A),XS(b)
- Refutation
- Q(c);XQ(G)
- Try
- Q(G);
- Vars
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,XP(J)::S(F),XQ(c)
- Q(c);N_GUARD,XP(C)::QAB1(G)
- Q(c);N_GUARD,P_PINS(F),XP(E)::QAB1(G)
- S(b);N_GUARD,XS(A)::R(B),XS(g)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Q(c);N_GUARD::QAB1(G)
- S(b);N_GUARD::R(B),XS(g)
- S(g);N_GUARD::S(A),XS(b)
- Refutation
- Q(c);
- Try
- Q(G);CHECK
- Vars
- Q(c);CHECK,N_GUARD,P_SPINQ(c)::QAB1(G),XQ(c)
- Refutation
- P(i);XQ(G)
- Try
- P(J);
- Vars
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,N_GUARD::S(F),XQ(c)
- Q(c);N_GUARD,XP(C)::QAB1(G)
- S(b);N_GUARD,XS(A)::R(B),XS(g)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- S(b);N_GUARD::R(B),XS(g)
- S(g);N_GUARD::S(A),XS(b)
- Refutation
- Q(c);CHECK,XP(J)
- Try
- Actual
- R(B);
- Vars
- Q(c);CHECK,OGATE,XS(F)::QAR2(G),XQ(c)
- Q(c);CHECK,N_GUARD::QAB1(G),XQ(c)
- Q(c);CHECK,XP(J)::S(F),XQ(c)
- Q(c);N_GUARD,XP(C)::QAB1(G)
- S(b);OGATE,XS(A)::R1(B)
- S(g);N_GUARD,XP(D)::S(A),XS(b)
- S(g);OGATE,XB(H)::QAR1(G),XS(g)
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- S(b);OGATE::R1(B)
- S(g);N_GUARD::S(A),XS(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).