MESON Chess Problem Database
Problem Display
PID: 116169 (4R2b/8/B1pp2N1/1q1k1P2/Np5R/p3P2K/1r2P3/Q3B3 w - - 0 1)
Goldschmidt, Josef
Arbejder-Skak, 1947
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Sf4#
- 1...Qd3
- 2.Sf4#
- 1...Qc4
- 2.Bxc4#
- 1...Qa5
- 2.Sf4#
- 2.Bc4#
- 1...Qc5
- 2.Sf4#
- 1...Qb6
- 2.Sf4#
- 2.Bc4#
- 1...Qb7
- 2.Sf4#
- 2.Bc4#
- 1...Qb8
- 2.Sf4#
- 2.Bc4#
- 1...Rb1
- 2.Se7#
- 1...Ra2
- 2.Se7#
- 1...Rc2
- 2.Se7#
- 1...Rd2
- 2.Se7#
- 1...Rxe2
- 2.Se7#
- 1...Rb3
- 2.Se7#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Se7#
- 1...Qxe2
- Tries
- 1.Bd2?
- threat
- 2.Qh1#
- 1...Qxe2
- 2.Sf4#
- 1...Bd4
- 2.Rxd4#
- 1...Qd3
- 2.Sf4#
- 1...Qc4
- 2.Bxc4#
- 1...Rb1
- 2.Se7#
- 1...Qxa4!
- threat
- 1.Bc3?
- threat
- 2.Se7#
- 2.Qh1#
- 1...Qxe2
- 2.Sf4#
- 2.Se7#
- 1...Rxe2
- 2.Se7#
- 1...Bxc3
- 2.Qh1#
- 1...bxc3
- 2.Qh1#
- 1...Bd4
- 2.Rxd4#
- 1...Qd3
- 2.Sf4#
- 2.Se7#
- 1...Qc4
- 2.Se7#
- 2.Bxc4#
- 1...Qb7
- 2.Sf4#
- 2.Bc4#
- 2.Qh1#
- 2.e4#
- 1...Rb1
- 2.Se7#
- 1...Bf6
- 2.Qh1#
- 1...Qxa4!
- threat
- 1.Bg3?
- threat
- 2.Se7#
- 2.Qh1#
- 1...Qxe2
- 2.Sf4#
- 2.Se7#
- 1...Rxe2
- 2.Se7#
- 1...Bd4
- 2.Rxd4#
- 1...Qd3
- 2.Sf4#
- 2.Se7#
- 1...Qc4
- 2.Se7#
- 2.Bxc4#
- 1...Qb7
- 2.Sf4#
- 2.Bc4#
- 2.Qh1#
- 1...Rb1
- 2.Se7#
- 1...Bf6
- 2.Qh1#
- 1...Qxa4!
- threat
- 1.Bxb4?
- threat
- 2.Qh1#
- 1...Qxe2
- 2.Sb6#
- 2.Sf4#
- 1...Rxe2
- 2.Se7#
- 1...Rxb4
- 2.Se7#
- 1...Bd4
- 2.Rxd4#
- 1...Qd3
- 2.Sb6#
- 2.Sf4#
- 1...Qc4
- 2.Sb6#
- 2.Bxc4#
- 1...Rb1
- 2.Se7#
- 1...Qxb4!
- threat
- 1.Bxb5?
- threat
- 2.Sf4#
- 2.Bc4#
- 1...Rc2
- 2.Sf4#
- 2.Se7#
- 2.e4#
- 1...Bd4
- 2.Sf4#
- 2.Rxd4#
- 2.e4#
- 1...Be5
- 2.Se7#
- 2.Bc4#
- 1...c5
- 2.Sb6#
- 2.Sf4#
- 1...cxb5!
- threat
- 1.Re5+?
- 1...Bxe5
- 2.Se7#
- 1...dxe5!
- 1...Bxe5
- 1.Qd1+?
- 1...Qd3
- 2.Sf4#
- 2.Bc4#
- 1...Bd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Rd2!
- 1...Qd3
- 1.Bd2?
- Keys
- 1.Bf2!
- threat
- 2.Qh1#
- 1...Qxe2
- 2.Sf4#
- 1...Qxa4
- 2.e4#
- 1...Bd4
- 2.Rxd4#
- 1...Qd3
- 2.Sf4#
- 1...Qc4
- 2.Bxc4#
- 1...Rb1
- 2.Se7#
- threat
- 1.Bf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(d);XP(C)::S(J)
- Q(d);P_PINP(D)::S(J)
- Q(d);OGATE::B(I),XQ(d)
- Q(d);::S(J)
- R(a);::S(J)
- R(a);XP(C)::S(J)
- R(a);P_PINP(D)::S(J)
- B(h);N_GUARD::R1(G),XB(h)
- B(h);SBLOCK::S(J)
- Tries
- Try
- B(B);
- Threat
- QAB(A)
- Vars
- Q(d);XP(C)::S(J)
- B(h);N_GUARD::R1(G),XB(h)
- Q(d);P_PINP(D)::S(J)
- Q(d);OGATE::B(I),XQ(d)
- R(a);::S(J)
- Refutation
- Q(d);XS(F)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(a);XP(C)::S(J)
- B(h);XB(B)::QAB(A)
- P(c);XB(B)::QAB(A)
- B(h);N_GUARD::R1(G),XB(h)
- R(a);::S(J)
- B(h);::QAB(A)
- Refutation
- Q(d);XS(F)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(a);XP(C)::S(J)
- B(h);N_GUARD::R1(G),XB(h)
- R(a);::S(J)
- B(h);::QAB(A)
- Refutation
- Q(d);XS(F)
- Try
- B(B);XP(c)
- Threat
- QAB(A)
- Vars
- R(a);XP(C)::S(J)
- R(a);XB(B)::S(J)
- B(h);N_GUARD::R1(G),XB(h)
- R(a);::S(J)
- Refutation
- Q(d);XB(B)
- Try
- B(I);XQ(d)
- Threat
- DUALS(2)
- Refutation
- P(f);XB(I)
- Try
- R(K);CHECK
- Vars
- B(h);SBLOCK,XR(K)::S(J)
- Refutation
- P(g);XR(K)
- Try
- Q(A);CHECK
- Refutation
- R(a);P_SPINR(a)
- Try
- Actual
- B(B);
- Threat
- QAB(A)
- Vars
- Q(d);XP(C)::S(J)
- Q(d);XS(F)::P(D)
- B(h);N_GUARD::R1(G),XB(h)
- Q(d);P_PINP(D)::S(J)
- Q(d);OGATE::B(I),XQ(d)
- R(a);::S(J)
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).