MESON Chess Problem Database
Problem Display
PID: 243421 (5Qn1/2N5/5p2/5p2/2br1k1K/2B2P1P/qpBb1R2/4R1N1 w - - 0 1)
Beale, John Lindsay
Chess World (The), 1947
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.fxe4#
- 1...Rd5
- 2.Se6#
- 1...Rd6
- 2.Qxd6#
- 1...Bd3
- 2.Bxd2#
- 1...Bd5
- 2.Qd6#
- 1...Sh6
- 2.Qxh6#
- 1...Se7
- 2.Qh6#
- 1...Re4
- Tries
- 1.Se2+?
- 1...Ke3+
- 2.Bxd4#
- 1...Ke5+
- 2.Bxd4#
- 1...Bxe2!
- 1...Ke3+
- 1.Sd5+?
- 1...Bxd5
- 2.Qd6#
- 2.Qb8#
- 1...Rxd5!
- 1...Bxd5
- 1.Qxf6?
- threat
- 2.Qxd4#
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Bxe1
- 2.Qxd4#
- 1...Bxc3
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Be2
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 2.Qg5#
- 1...Qa7
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Qa8
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Rd3
- 2.Be5#
- 2.Re4#
- 2.Qe5#
- 2.Qg5#
- 1...Re4
- 2.Rxe4#
- 2.Qg5#
- 2.fxe4#
- 1...Rd5
- 2.Se6#
- 2.Re4#
- 2.Qg5#
- 1...Rd6
- 2.Be5#
- 2.Re4#
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 2.Qxd6#
- 1...Rd7
- 2.Be5#
- 2.Re4#
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Rd8
- 2.Be5#
- 2.Re4#
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 1...Be3
- 2.Qxf5#
- 1...Bd3
- 2.Bxd2#
- 2.Qe5#
- 2.Qg5#
- 1...Bd5
- 2.Qe5#
- 2.Qg5#
- 2.Qxf5#
- 2.Qd6#
- 1...Be6
- 2.Qxd4#
- 2.Qe5#
- 2.Qg5#
- 1...Sh6
- 2.Qxd4#
- 2.Qe5#
- 2.Qg5#
- 2.Qxh6#
- 1...Se7
- 2.Qxd4#
- 2.Qe5#
- 2.Qg5#
- 2.Qh6#
- 1...Sxf6!
- threat
- 1.Qb8?
- threat
- 2.Sd5#
- 2.Se6#
- 1...Bxe1
- 2.Sd5#
- 1...Be2
- 2.Sd5#
- 1...Rd5
- 2.Sxd5#
- 2.Se6#
- 1...Bd5
- 2.Sb5#
- 2.Sxd5#
- 2.Sa6#
- 2.Se6#
- 2.Sa8#
- 2.Se8#
- 1...Be6
- 2.Sd5#
- 2.Sxe6#
- 1...Rd6!
- threat
- 1.Se2+?
- Keys
- 1.Qc5!
- threat
- 2.Qxd4#
- 2.Qxf5#
- 1...Bxe1
- 2.Qxd4#
- 1...Bxc3
- 2.Qxf5#
- 1...Be2
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 1...Qa7
- 2.Qxf5#
- 1...Qa8
- 2.Qxf5#
- 1...Rd3
- 2.Se2#
- 1...Re4
- 2.fxe4#
- 1...Rd5
- 2.Se6#
- 1...Rd6
- 2.Qxd6#
- 2.Qxf5#
- 1...Rd7
- 2.Qxf5#
- 1...Rd8
- 2.Qxf5#
- 1...Be3
- 2.Qxf5#
- 1...Bd3
- 2.Bxd2#
- 1...Bd5
- 2.Qd6#
- 1...Be6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- R(e);OGATE::R(D)+P(F),XR(e)
- R(e);S_CUTB(d)::S(I)
- R(e);N_GUARD::QAB(J),XR(e)
- B(d);S_CUTR(e)::B(E),XB(c)
- B(d);S_CUTR(e)::QAB(J)
- S(i);N_GUARD::QAB(J),XS(i)
- S(i);N_GUARD::QAB(J)
- Tries
- Try
- S(B);CHECK
- Vars
- K(f);CHECK,S_FLIGHT::B(E),XR(e)
- K(f);CHECK,P_SPINR(e),S_FLIGHT::B(E),XR(e)
- Refutation
- B(d);XS(B)
- Try
- S(I);CHECK
- Refutation
- R(e);XS(I)
- Try
- Q(J);P_PINP(g),XP(h)
- Threat
- DUALS(4)
- Vars
- B(c);P_PINR(D),XR(A)::QAR2(J),XR(e)
- B(d);::QAR2(J),XR(e)
- B(c);::QAR1(J),XP(g)
- Refutation
- S(i);N_SPINP(g),XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(c);P_PINR(D),XR(A)::QAB(J)+S(I),DCHECK
- B(d);::QAB(J)+S(I),DCHECK
- Refutation
- R(e);
- Try
- Actual
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(c);P_PINR(D),XR(A)::QAR2(J),XR(e)
- B(c);XB(E)::QAR1(J),XP(g)
- B(d);::QAR2(J),XR(e)
- Q(a);::QAR2(J),XR(e)
- Q(a);::QAR1(J),XP(g)
- R(e);S_CUTB(d)::S(B)
- R(e);OGATE::R(D)+P(F),XR(e)
- R(e);S_CUTB(d)::S(I)
- R(e);::QAR1(J),XP(g)
- B(c);::QAR1(J),XP(g)
- B(d);S_CUTR(e)::B(E),XB(c)
- B(d);S_CUTR(e)::QAB(J)
- S(i);::QAR2(J),XR(e)
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).