MESON Chess Problem Database
Problem Display
PID: 239965 (Q4K1k/5p2/1pn2pB1/8/1r4R1/1q2R3/2r1n3/8 w - - 0 1)
Kipping, Cyril Stanley
Parallele 50, 1948
#2
5 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Rh3#
- 1...Qa4
- 2.Rh3#
- 1...Qc4
- 2.Rh3#
- 1...Qe6
- 2.Rh3#
- 1...Qb1
- 2.Rh3#
- 1...Qb2
- 2.Rh3#
- 1...Sc3
- 2.Rh3#
- 1...Sed4
- 2.Rh4#
- 1...Scd4
- 2.Rh4#
- 2.Qh1#
- 1...Sa5
- 2.Qh1#
- 1...Se5
- 2.Qh1#
- 1...Sa7
- 2.Qh1#
- 1...Se7
- 2.Qh1#
- 1...Sb8
- 2.Qh1#
- 1...Sd8
- 2.Qh1#
- 1...Qa2
- Tries
- 1.Be4?
- threat
- 2.Rh4#
- 2.Rg8#
- 1...Qxe3
- 2.Rg8#
- 1...f5
- 2.Rh4#
- 1...Qd5
- 2.Rg8#
- 1...Rc5
- 2.Rg8#
- 1...Rb5
- 2.Rg8#
- 1...Sg3
- 2.Rg8#
- 1...Sf4
- 2.Rg8#
- 1...Se7
- 2.Rh4#
- 1...Rxe4!
- threat
- 1.Bf5?
- threat
- 2.Rg8#
- 1...Se7
- 2.Qh1#
- 1...Rxg4!
- threat
- 1.Qxc6?
- threat
- 2.Qh1#
- 2.Qxf6#
- 1...Qxe3
- 2.Qxf6#
- 1...Rxg4
- 2.Qxf6#
- 1...fxg6
- 2.Qh1#
- 1...Qd5
- 2.Qxf6#
- 1...Qe6
- 2.Rh3#
- 2.Qh1#
- 1...Qb1
- 2.Rh3#
- 2.Qxf6#
- 1...Qb2
- 2.Rh3#
- 2.Qh1#
- 1...Qc3
- 2.Qh1#
- 1...Rc1
- 2.Qxf6#
- 1...Rc5
- 2.Qxf6#
- 1...Re4
- 2.Qxf6#
- 1...Rf4
- 2.Qh1#
- 1...Rb5
- 2.Qxf6#
- 1...Sc1
- 2.Qxf6#
- 1...Sg1
- 2.Qxf6#
- 1...Sc3
- 2.Rh3#
- 2.Qxf6#
- 1...Sg3
- 2.Qxf6#
- 1...Sd4
- 2.Rh4#
- 2.Qxf6#
- 1...Sf4
- 2.Qxf6#
- 1...f5
- 2.Qh1#
- 2.Qf6#
- 1...Rxc6!
- threat
- 1.Be4?
- Keys
- 1.Qa1!
- threat
- 2.Qxf6#
- 2.Qh1#
- 1...Qxe3
- 2.Qxf6#
- 1...Rxg4
- 2.Qxf6#
- 1...fxg6
- 2.Qh1#
- 1...Qd5
- 2.Qxf6#
- 1...Qe6
- 2.Rh3#
- 2.Qh1#
- 1...Qb1
- 2.Rh3#
- 2.Qxf6#
- 1...Qb2
- 2.Rh3#
- 2.Qh1#
- 1...Qc3
- 2.Qh1#
- 1...Rc1
- 2.Qxf6#
- 1...Rb2
- 2.Qh1#
- 1...Rc3
- 2.Qh1#
- 1...Rc5
- 2.Qxf6#
- 1...Rd4
- 2.Qh1#
- 1...Rf4
- 2.Qh1#
- 1...Rb5
- 2.Qxf6#
- 1...Sc1
- 2.Qxf6#
- 1...Sg1
- 2.Qxf6#
- 1...Sc3
- 2.Rh3#
- 1...Sg3
- 2.Qxf6#
- 1...Sed4
- 2.Rh4#
- 1...Sf4
- 2.Qxf6#
- 1...Scd4
- 2.Rh4#
- 2.Qh1#
- 1...Se5
- 2.Qh1#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::R(A)
- S(b);S_CUTQ(c)::R(A)
- S(b);S_CUTR(d)::R(B)
- S(f);OGATE::QAB(D)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- Q(c);XR(A)::R1(B)
- P(g);::R(B)
- Q(c);::R1(B)
- R(a);::R1(B)
- R(d);::R1(B)
- S(b);::R1(B)
- S(f);::R(B)
- Refutation
- R(d);XB(C)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- S(f);OGATE::QAB(D)
- Refutation
- R(d);XR(B)
- Try
- Q(D);XS(f)
- Threat
- DUALS(2)
- Vars
- Q(c);XR(A)::QAB(D),XP(g)
- R(d);XR(B)::QAB(D),XP(g)
- P(h);XB(C)::QAB(D)
- Q(c);::QAB(D),XP(g)
- Q(c);::QAB(D)
- R(a);::QAB(D),XP(g)
- R(d);::QAB(D),XP(g)
- R(d);::QAB(D)
- S(b);::QAB(D),XP(g)
- Refutation
- R(a);XQ(D)
- Try
- Actual
- Q(D);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(c);XR(A)::QAB(D),XP(g)
- R(d);XR(B)::QAB(D),XP(g)
- P(h);XB(C)::QAB(D)
- Q(c);::QAB(D),XP(g)
- Q(c);N_SPINP(g)::QAB(D)
- R(a);::QAB(D),XP(g)
- R(a);N_SPINP(g)::QAB(D)
- R(d);N_SPINP(g)::QAB(D)
- R(d);::QAB(D)
- R(d);::QAB(D),XP(g)
- S(b);::QAB(D),XP(g)
- S(b);N_SPINP(g),S_CUTQ(c)::R(A)
- S(b);N_SPINP(g),S_CUTR(d)::R(B)
- S(f);N_SPINP(g)::QAB(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).