MESON Chess Problem Database
Problem Display
PID: 10130 (B4b2/5b2/4p3/R1B2pp1/P1k2qQ1/P1Npp3/1KN5/2R2n2 w - - 0 1)
Rice, John Michael
5th Prize, Die Schwalbe TT, 1962
#2
10 + 10
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qxd4#
- 1...Sd2
- 2.Sxe3#
- 1...Sh2
- 2.Sxe3#
- 1...Sg3
- 2.Sxe3#
- 1...dxc2
- 2.Qe2#
- 1...d2
- 2.Qe2#
- 1...Qd4
- Tries
- 1.Sa1?
- threat
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Se2#
- 2.Se4#
- 2.Sb5#
- 2.Sd5#
- 1...Bxc5
- 2.Se2#
- 2.Sb5#
- 1...d2
- 2.Qe2#
- 1...Qd4
- 2.Qxd4#
- 1...Qe4
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Se2#
- 2.Sxe4#
- 2.Sb5#
- 2.Sd5#
- 1...e2
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Sxe2#
- 2.Sb5#
- 2.Sd5#
- 1...Bg7!
- threat
- 1.Se1?
- threat
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Se2#
- 2.Se4#
- 2.Sb5#
- 2.Sd5#
- 1...Bxc5
- 2.Se2#
- 2.Sb5#
- 1...Qd4
- 2.Qxd4#
- 1...Qe4
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Se2#
- 2.Sxe4#
- 2.Sb5#
- 2.Sd5#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Sxe2#
- 2.Sb5#
- 2.Sd5#
- 1...Bg7!
- threat
- 1.Sb4?
- threat
- 2.Sb1#
- 2.Sd1#
- 2.Sca2#
- 2.Se2#
- 2.Se4#
- 2.Sb5#
- 2.Scd5#
- 1...Bxc5
- 2.Se2#
- 2.Sb5#
- 1...Qd4
- 2.Qxd4#
- 1...Qe4
- 2.Sb1#
- 2.Sd1#
- 2.Sca2#
- 2.Se2#
- 2.Sxe4#
- 2.Sb5#
- 2.Scd5#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sb1#
- 2.Sd1#
- 2.Sca2#
- 2.Sxe2#
- 2.Sb5#
- 2.Scd5#
- 1...Bg7!
- threat
- 1.Sd4?
- threat
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Sce2#
- 2.Se4#
- 2.Scb5#
- 2.Sd5#
- 1...Qh2+
- 2.Sce2#
- 1...Qb8+
- 2.Scb5#
- 1...Qf2+
- 2.Sce2#
- 1...Qxd4
- 2.Qxd4#
- 1...Bxc5
- 2.Sce2#
- 2.Scb5#
- 1...d2
- 2.Qe2#
- 1...Qe4
- 2.Sb1#
- 2.Sd1#
- 2.Sa2#
- 2.Sce2#
- 2.Sxe4#
- 2.Scb5#
- 2.Sd5#
- 1...e2!
- threat
- 1.Sb1?
- threat
- 2.Sa1#
- 2.Se1#
- 2.Sxe3#
- 2.Sb4#
- 2.Sd4#
- 1...Qd4+
- 2.Sxd4#
- 2.Qxd4#
- 1...Bg7+
- 2.Sd4#
- 1...dxc2
- 2.Qe2#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sa1#
- 2.Se1#
- 2.Se3#
- 2.Sb4#
- 1...Bxc5!
- threat
- 1.Sd1?
- threat
- 2.Sa1#
- 2.Se1#
- 2.Scxe3#
- 2.Sb4#
- 2.Sd4#
- 1...Qd4+
- 2.Sxd4#
- 2.Qxd4#
- 1...Bg7+
- 2.Sd4#
- 1...dxc2
- 2.Qe2#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sa1#
- 2.Se1#
- 2.Sce3#
- 2.Sb4#
- 1...Bxc5!
- threat
- 1.Sa2?
- threat
- 2.Sa1#
- 2.Se1#
- 2.Sxe3#
- 2.Scb4#
- 2.Sd4#
- 1...Qd4+
- 2.Sxd4#
- 2.Qxd4#
- 1...Bg7+
- 2.Sd4#
- 1...dxc2
- 2.Qe2#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sa1#
- 2.Se1#
- 2.Se3#
- 2.Scb4#
- 1...Bxc5!
- threat
- 1.Sd5?
- threat
- 2.Sa1#
- 2.Se1#
- 2.Scxe3#
- 2.Scb4#
- 2.Sd4#
- 2.Sb6#
- 1...Qd4+
- 2.Sxd4#
- 2.Qxd4#
- 1...Bg7+
- 2.Sd4#
- 1...dxc2
- 2.Qe2#
- 1...exd5
- 2.Sa1#
- 2.Se1#
- 2.Sxe3#
- 2.Sb4#
- 2.Sd4#
- 1...d2
- 2.Qe2#
- 1...e2
- 2.Sa1#
- 2.Se1#
- 2.Sce3#
- 2.Scb4#
- 2.Sb6#
- 1...Bxc5!
- threat
- 1.Bxf8?
- threat
- 2.Rc5#
- 1...d2
- 2.Qe2#
- 1...dxc2!
- threat
- 1.Sa1?
- Keys
- 1.Se4!
- threat
- 2.Sa1#
- 2.Se1#
- 2.Sxe3#
- 2.Sb4#
- 2.Sd4#
- 1...Qe5+
- 2.Sd4#
- 1...Qb8+
- 2.Sb4#
- 1...Bg7+
- 2.Sd4#
- 1...Bxc5
- 2.Rxc5#
- 1...dxc2
- 2.Qe2#
- 1...d2
- 2.Qe2#
- 1...Qh2
- 2.Sd2#
- 2.Sd6#
- 1...Qf2
- 2.Sd2#
- 2.Sd6#
- 1...e2
- 2.Se3#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- Q(e);OGATE,P_PINS(E)::QAR1(G),XQ(e)
- S(a);N_GUARD::S(C),XP(c)
- P(b);OGATEB,XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- Tries
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- P(b);OGATEB::QAB(G)
- Q(e);OGATE,P_PINS(E)::QAR1(G),XQ(e)
- Refutation
- B(j);P_PINS(E)
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- Q(e);OGATE,P_PINS(E)::QAR1(G),XQ(e)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);P_PINS(E)
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- Q(e);OGATE,P_PINS(E)::QAR1(G),XQ(e)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);P_PINS(E)
- Try
- S(C);N_PINQ(e)
- Threat
- DUALS(7)
- Vars
- Q(e);CHECK::R(A)+S(E)
- Q(e);OGATE,P_PINS(E),P_SPINQ(e),XS(C)::QAR1(G),XQ(e)
- P(b);OGATEB::QAB(G)
- Refutation
- P(c);
- Try
- S(E);
- Threat
- DUALS(5)
- Vars
- B(j);CHECK::R(A)+S(C)
- P(b);OGATEB,P_SPINP(b),XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);XB(I)
- Try
- S(E);
- Threat
- DUALS(5)
- Vars
- B(j);CHECK::R(A)+S(C)
- P(b);OGATEB,P_SPINP(b),XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);XB(I)
- Try
- S(E);
- Threat
- DUALS(5)
- Vars
- B(j);CHECK::R(A)+S(C)
- P(b);OGATEB,P_SPINP(b),XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);XB(I)
- Try
- S(E);
- Threat
- DUALS(6)
- Vars
- B(j);CHECK::R(A)+S(C)
- P(b);OGATEB,P_SPINP(b),XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- Refutation
- B(j);XB(I)
- Try
- B(I);XB(j)
- Threat
- R1(H)
- Vars
- P(b);OGATEB::QAB(G)
- Refutation
- P(b);XS(C)
- Try
- Actual
- S(E);N_PINQ(e)
- Threat
- DUALS(5)
- Vars
- Q(e);CHECK::R(A)+S(C)
- B(j);CHECK::R(A)+S(C)
- B(j);OGATE,XB(I)::R1(H),XB(j)
- P(b);OGATEB,P_SPINP(b),XS(C)::QAB(G)
- P(b);OGATEB::QAB(G)
- P(c);::R(A)+S(C),DCHECK
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).