MESON Chess Problem Database
Problem Display
PID: 230724 (2BRN3/1pRP4/bN6/1p1PkPK1/1n1qP1P1/B4P2/1Q1p4/8 w - - 0 1)
Barron, Philip
Sunday Chronicle, 1948
(First published on Sun Sep 5 1948)
#2
14 + 7
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxb2
- 2.Bxb2#
- 1...Qc3
- 2.Qxc3#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sxd5
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Qxb2
- Tries
- 1.Sa8?
- 1...Qxb2
- 2.Bxb2#
- 1...Sxd5
- 2.Bd6#
- 1...Qc3
- 2.Qxc3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...b6!
- 1...Qxb2
- 1.Bxb4?
- threat
- 2.Bd6#
- 1...Qc3
- 2.Bxc3#
- 2.Qxc3#
- 1...Qxb2!
- threat
- 1.Bxb7?
- 1...Qxb2
- 2.Bxb2#
- 1...Sxd5
- 2.Bd6#
- 1...Qc3
- 2.Qxc3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...Bxb7!
- 1...Qxb2
- 1.Rc4?
- threat
- 2.Qxd4#
- 1...Qxb2
- 2.Bxb2#
- 2.f4#
- 1...d1Q
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Qc3
- 2.Qxc3#
- 2.f4#
- 1...Sc2
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...bxc4!
- threat
- 1.Rc5?
- 1...Qxb2
- 2.Bxb2#
- 1...Sxd5
- 2.Rxd5#
- 1...Qc3
- 2.Qxc3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.d6#
- 1...Sc2
- 2.d6#
- 1...Sc6
- 2.dxc6#
- 2.d6#
- 1...Sd3!
- 1...Qxb2
- 1.Rc6?
- threat
- 2.Re6#
- 1...Qxb2
- 2.Bxb2#
- 1...Sxc6
- 2.Bd6#
- 1...Qc3
- 2.Qxc3#
- 1...bxc6!
- threat
- 1.Rxb7?
- 1...Qxb2
- 2.Bxb2#
- 1...Sxd5
- 2.Bd6#
- 1...Qc3
- 2.Qxc3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...Bxb7!
- 1...Qxb2
- 1.f6?
- 1...Qxb2
- 2.Bxb2#
- 1...Qc3
- 2.Qxc3#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...Sxd5!
- 1...Qxb2
- 1.Sa8?
- Keys
- 1.Rc3!
- 1...Qe3+
- 2.Rxe3#
- 1...Qxc3
- 2.Qxc3#
- 1...Qxb6
- 2.Rc5#
- 1...Qxe4
- 2.Re3#
- 1...Qxd5
- 2.Rc5#
- 1...Sxd5
- 2.Bd6#
- 1...Qg1
- 2.Re3#
- 1...Qf2
- 2.Re3#
- 1...Qc5
- 2.Rxc5#
- 1...Qd3
- 2.Rxd3#
- 1...Qc4
- 2.Rxc4#
- 1...d1Q
- 2.Qh2#
- 1...d1S
- 2.Qh2#
- 1...d1B
- 2.Qh2#
- 1...d1R
- 2.Qh2#
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sd3
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...Qe3+
- 1.Rc3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- Q(c);OGATEB::QAB(A),XQ(c)
- S(b);OGATE::B(B)
- S(b);OGATE,XP(F)::B(B)
- P(a);OGATE::QAB(A)
- Tries
- Try
- S(I);
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- S(b);OGATE,XP(F)::B(B)
- Q(c);OGATEB::QAB(A),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(B)
- Refutation
- P(g);
- Try
- B(B);XS(b)
- Threat
- B(B)
- Refutation
- Q(c);N_SPINQ(c),XQ(A)
- Try
- B(L);XP(g)
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- S(b);OGATE,XP(F)::B(B)
- Q(c);OGATEB::QAB(A),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(B)
- Refutation
- B(f);XB(L)
- Try
- R(J);
- Threat
- QAB1(A),XQ(c)
- Vars
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(B)
- Refutation
- P(d);XR(J)
- Try
- R(J);
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- S(b);OGATE,P_SPINS(b),XP(F)::R1(J),XS(b)
- Q(c);OGATEB::QAB(A),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);N_GUARD::R(J)+P(F)
- Refutation
- S(b);
- Try
- R(J);
- Threat
- R1(J)
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- S(b);OGATE,XR(J)::B(B)
- Q(c);OGATEB::QAB(A),XQ(c)
- Refutation
- P(g);XR(J)
- Try
- R(J);XP(g)
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- S(b);OGATE,XP(F)::B(B)
- Q(c);OGATEB::QAB(A),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(B)
- Refutation
- B(f);XR(J)
- Try
- P(G);
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(A)::B(B),XQ(c)
- Q(c);OGATEB::QAB(A),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(B)
- Refutation
- S(b);XP(F)
- Try
- Actual
- R(J);N_PINQ(c)
- Vars
- Q(c);CHECK,OGATEB::QAB(A)+R(J),XQ(c)
- Q(c);OGATE,P_SPINQ(c),XR(J)::QAB(A),XQ(c)
- Q(c);OGATEB,XS(I)::QAB(A)+R(J)
- Q(c);OGATEB,XP(D)::QAB(A)+R(J)
- Q(c);OGATEB,XP(F)::QAB(A)+R(J)
- S(b);OGATE,XP(F)::B(B)
- Q(c);OGATEB,P_PINP(E)::QAB(A)+R(J)
- Q(c);OGATEB::QAB(A)+R(J)
- Q(c);OGATEB::QAB(A)+R(J),XQ(c)
- P(a);OGATE::QAB(A)
- S(b);OGATE::B(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).