MESON Chess Problem Database
Problem Display
PID: 90766 (r1B5/p4R1K/6p1/2Pp2BN/1Q1Pk3/Rq6/2P1N3/1r3n2 w - - 0 1)
Guttman, Newman
Die Schwalbe, 1948
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sc3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qxc2
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qa4
- 2.Sc3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qc4
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qb2
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qc3
- 2.Sxc3#
- 1...Qd3
- 2.cxd3#
- 1...Qf3
- 2.Re7#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Qxb4
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Se3
- 2.Seg3#
- 2.Shg3#
- 2.Rf4#
- 1...Qa2
- Tries
- 1.Sg1?
- threat
- 2.Sf6#
- 2.Re7#
- 1...Qxb4
- 2.Rf4#
- 1...gxh5
- 2.Bf5#
- 2.Re7#
- 1...Qc4
- 2.Rf4#
- 1...Qf3
- 2.Re7#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Rxc8!
- threat
- 1.Seg3+?
- 1...Qxg3
- 2.Sf6#
- 1...Sxg3!
- 1...Qxg3
- 1.Bg4?
- threat
- 2.Sf6#
- 2.Re7#
- 1...gxh5
- 2.Re7#
- 1...Qf3
- 2.Bxf3#
- 2.Re7#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 2.Re7#
- 1...Re8
- 2.Sf6#
- 1...Rh8+!
- threat
- 1.Rxb3?
- threat
- 2.Sc3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Rxc8
- 2.Sc3#
- 2.Rf4#
- 1...gxh5
- 2.Sc3#
- 2.Bf5#
- 2.Rf4#
- 2.Re7#
- 1...Se3
- 2.Sc3#
- 2.Seg3#
- 2.Shg3#
- 2.Rxe3#
- 2.Rf4#
- 1...Rxb3!
- threat
- 1.Rf2?
- threat
- 2.Sf6#
- 1...gxh5
- 2.Bf5#
- 1...Qh3
- 2.Rf4#
- 1...Qf3!
- threat
- 1.Qc3?
- threat
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Rxc8
- 2.Rf4#
- 1...gxh5
- 2.Bf5#
- 2.Rf4#
- 2.Re7#
- 1...Qb6
- 2.Rf4#
- 2.Qd3#
- 2.Qf3#
- 1...Qb7
- 2.Sf6#
- 2.Qd3#
- 2.Qf3#
- 1...Qb8
- 2.Sf6#
- 2.Qd3#
- 2.Qf3#
- 1...Se3
- 2.Seg3#
- 2.Shg3#
- 2.Rf4#
- 1...Qxc3!
- threat
- 1.Qxb3?
- threat
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 2.Qd3#
- 2.Qf3#
- 1...Rxc8
- 2.Rf4#
- 2.Qd3#
- 2.Qf3#
- 1...gxh5
- 2.Bf5#
- 2.Rf4#
- 2.Re7#
- 2.Qd3#
- 2.Qf3#
- 1...Rd1
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 2.Qf3#
- 1...Sd2
- 2.Shg3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 2.Qd3#
- 2.Qe3#
- 1...Sh2
- 2.Shg3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 2.Qd3#
- 2.Qe3#
- 1...Se3
- 2.Shg3#
- 2.Rf4#
- 2.Qd3#
- 2.Qxe3#
- 1...Rxb3!
- threat
- 1.Qa4?
- threat
- 2.Qe8#
- 1...Qxa4
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Qb5
- 2.Sc3#
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qb6
- 2.Sc3#
- 2.Rf4#
- 1...Qb7
- 2.Sc3#
- 2.Sf6#
- 1...Qb8
- 2.Sc3#
- 2.Sf6#
- 1...Rxc8!
- threat
- 1.Qb5?
- threat
- 2.Qe8#
- 1...Qxb5
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 1...Qa4
- 2.Sf6#
- 2.Rf4#
- 2.Re7#
- 2.Qd3#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Rxc8!
- threat
- 1.Qb6?
- threat
- 2.Qe6#
- 2.Qxg6#
- 1...Qxb6
- 2.Rf4#
- 1...gxh5
- 2.Qe6#
- 2.Qg6#
- 1...Qf3
- 2.Re7#
- 2.Qe6#
- 1...Qg3
- 2.Sf6#
- 2.Qxg6#
- 1...Qh3
- 2.Rf4#
- 1...Se3
- 2.Shg3#
- 2.Rf4#
- 2.Qe6#
- 1...Sg3
- 2.Qe6#
- 1...axb6!
- threat
- 1.Qb8?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxb8
- 2.Sf6#
- 1...Qe3
- 2.Qe5#
- 1...Qf3
- 2.Re7#
- 2.Qe5#
- 1...Qg3
- 2.Sf6#
- 1...Rxb8!
- threat
- 1.c6?
- threat
- 2.Qe7#
- 1...Qxb4
- 2.Sf6#
- 2.Rf4#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Qxa3!
- threat
- 1.Sg1?
- Keys
- 1.Qb7!
- threat
- 2.Qe7#
- 1...Qxb7
- 2.Sf6#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Rf4#
- 1...Qb6
- 2.Rf4#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(c);N_GUARD::S(B),XQ(c)
- Q(c);OGATE::P(A),XQ(c)
- Q(c);::R(I)
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(c);XQ(D)::R1(I)
- Q(c);::R1(I)
- Q(c);::R(I)
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Refutation
- R(h);XB(K)
- Try
- S(B);CHECK
- Vars
- Q(c);XS(B)::S(H)
- Refutation
- S(b);XS(B)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- P(f);XS(H)::R(I)
- Q(c);::S(H)
- R(h);::S(H)
- Refutation
- R(h);CHECK
- Try
- R(C);XQ(c)
- Threat
- DUALS(4)
- Refutation
- R(a);XR(C)
- Try
- R(I);
- Threat
- S(H)
- Vars
- P(f);N_GUARD,XS(H)::B(K)
- Q(c);P_PINS(H)::R1(I)
- Refutation
- Q(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(h);XB(K)::R1(I)
- Refutation
- Q(c);XQ(D)
- Try
- Q(D);XQ(c)
- Threat
- DUALS(5)
- Refutation
- R(a);XQ(D)
- Try
- Q(D);
- Threat
- QAR(D)
- Vars
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Refutation
- R(h);XB(K)
- Try
- Q(D);
- Threat
- QAR(D)
- Vars
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Refutation
- R(h);XB(K)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(c);XQ(D)::R1(I)
- Q(c);P_PINS(H)::R1(I)
- S(b);::QAR2(D)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(c);XQ(D)::S(H)
- Q(c);::QAR1(D)
- Q(c);::S(H)
- Refutation
- R(h);XQ(D)
- Try
- P(F);
- Threat
- QAR(D)
- Vars
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Refutation
- Q(c);XR(C)
- Try
- Actual
- Q(D);P_PINP(e)
- Threat
- QAR(D)
- Vars
- Q(c);N_SPINP(e),P_PINR(I),XQ(D)::S(H)
- Q(c);::S(H)
- Q(c);P_PINS(H)::R1(I)
- Q(c);::R1(I)
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).