MESON Chess Problem Database
Problem Display
PID: 10127 (3KR1N1/B1pP1Np1/p7/P2k4/Q1p3P1/2P2nP1/2P1n2r/4R3 w - - 0 1)
Barnes, Barry Peter
4th Comm., Die Schwalbe, 1962
#2
13 + 8
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Se7#
- 1...Seg1
- 2.Se7#
- 1...Sxc3
- 2.Se7#
- 1...Sxg3
- 2.Se7#
- 1...Sed4
- 2.Se7#
- 1...Sf4
- 2.Se7#
- 1...Sxe1
- 2.Re5#
- 1...Sfg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sfd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sg5
- 2.Re5#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Sc1
- Tries
- 1.Kxc7?
- threat
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sxc3
- 2.Se7#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sxg3
- 2.Se7#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sxe1
- 2.Re5#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Se5
- 2.Rxe5#
- 1...Rh1
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rf2
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh4
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh7
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh8
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sc1
- 2.Se7#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Seg1
- 2.Se7#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sed4
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.Se7#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sfg1
- 2.Re5#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sd2
- 2.Re5#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sfd4
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sh4
- 2.Re5#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sg5
- 2.Re5#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.Sf6#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...g6
- 2.Sf6#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh6!
- threat
- 1.Kc8?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sxc3
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sxg3
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sxe1
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Se5
- 2.Rxe5#
- 1...Rh1
- 2.d8Q#
- 2.d8R#
- 1...Rf2
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.d8Q#
- 2.d8R#
- 1...Rh4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Rh7
- 2.d8Q#
- 2.d8R#
- 1...Rh8
- 2.d8Q#
- 2.d8R#
- 1...Sc1
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Seg1
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sed4
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sfg1
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sd2
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sfd4
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sh4
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...Sg5
- 2.Re5#
- 2.d8Q#
- 2.d8R#
- 1...c5
- 2.d8Q#
- 2.d8R#
- 1...c6
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.Sf6#
- 2.d8Q#
- 2.d8R#
- 1...g6
- 2.Sf6#
- 2.d8Q#
- 2.d8R#
- 1...Rh6!
- threat
- 1.Se7+?
- 1...Ke4
- 2.Qc6#
- 1...Ke6!
- 1...Ke4
- 1.Rd1+?
- 1...Sd2
- 2.Re5#
- 1...Sfd4
- 2.Re5#
- 1...Sed4!
- 1...Sd2
- 1.R1xe2?
- threat
- 2.Se7#
- 1...Se5
- 2.R2xe5#
- 2.R8xe5#
- 1...Rxe2!
- threat
- 1.Re3?
- threat
- 2.Se7#
- 1...Se5
- 2.Rxe5#
- 1...Rh8!
- threat
- 1.Re4?
- threat
- 2.Qxc4#
- 1...Kxe4
- 2.Qc6#
- 1...Se5
- 2.Rxe5#
- 1...Sed4
- 2.Se7#
- 1...Sd2
- 2.Re5#
- 1...Sfd4
- 2.Re5#
- 1...c5!
- threat
- 1.Qb5+?
- 1...c5
- 2.Qxc5#
- 2.Qb7#
- 1...axb5!
- 1...c5
- 1.Qb4?
- threat
- 2.Qc5#
- 1...Kc6
- 2.Se7#
- 1...c5
- 2.Qxc5#
- 2.Qb7#
- 1...Se5!
- threat
- 1.Kxc7?
- Keys
- 1.Re6!
- threat
- 2.Qc6#
- 1...Kxe6
- 2.Qxc4#
- 1...Se5
- 2.Rxe5#
- 1...Sed4
- 2.Se7#
- 1...Sfd4
- 2.Re5#
- 1...c6
- 2.Qxc6#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- S(a);::S(M)
- S(a);XP(C)::S(M)
- S(a);XP(D)::S(M)
- S(c);N_GUARD,XR(A)::R1(L)
- S(c);N_GUARD::R1(L)
- S(c);N_GUARD::R1(L),XS(c)
- P(h);N_GUARD::S(M)
- Tries
- Try
- K(K);S_FLIGHT,XP(g)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD::R1(L),XS(c)
- Refutation
- R(b);
- Try
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- S(c);N_GUARD::R1(L),XS(c)
- R(b);::P=Q
- P(g);::P=Q
- Refutation
- R(b);
- Try
- S(M);CHECK
- Vars
- K(e);P_SPINP(d),P_SPINS(a),S_FLIGHT::QAB(E)
- Refutation
- K(e);P_SPINS(a),S_FLIGHT
- Try
- R(A);CHECK
- Vars
- S(c);P_SPINS(c)::R1(L)
- Refutation
- S(a);P_SPINS(a)
- Try
- R(A);XS(a)
- Threat
- S(M)
- Refutation
- R(b);XR(A)
- Try
- R(L);
- Threat
- S(M)
- Vars
- S(c);N_GUARD::R1(L),XS(c)
- Refutation
- R(b);P_PINS(M)
- Try
- R(L);
- Threat
- QAB1(E),XP(d)
- Vars
- K(e);P_SPINP(d),P_SPINS(a),S_FLIGHT,XR(L)::QAB(E)
- S(c);N_GUARD::R1(L),XS(c)
- S(a);::S(M)
- S(c);N_GUARD::R1(L)
- Refutation
- P(g);
- Try
- Q(E);CHECK
- Refutation
- P(f);XQ(E)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- K(e);S_FLIGHT::S(M)
- Refutation
- S(c);
- Try
- Actual
- R(L);
- Threat
- QAB1(E)
- Vars
- K(e);P_SPINS(a),S_FLIGHT,XR(L)::QAB(E),XP(d)
- S(c);N_GUARD::R1(L),XS(c)
- S(a);::S(M)
- S(c);N_GUARD::R1(L)
- P(g);::QAB1(E),XP(g)
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).