MESON Chess Problem Database
Problem Display
PID: 90205 (7r/P3Q3/2k2n2/K2p1B2/1P1R2n1/b7/NNPPb3/2r1Rq2 w - - 0 1)
Zajic, Helmut
Die Schwalbe, 1997
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.a8Q#
- 2.a8B#
- 1...Rh2
- 2.a8Q#
- 2.a8B#
- 1...Rh3
- 2.a8Q#
- 2.a8B#
- 1...Rh4
- 2.a8Q#
- 2.a8B#
- 1...Rh5
- 2.a8Q#
- 2.a8B#
- 1...Rh6
- 2.a8Q#
- 2.a8B#
- 1...Rh7
- 2.a8Q#
- 2.a8B#
- 1...Rb8
- 2.axb8S#
- 1...Bd1
- 2.Re6#
- 1...Bd3
- 2.Re6#
- 1...Bf3
- 2.Re6#
- 1...Bc4
- 2.Re6#
- 1...Bb5
- 2.Re6#
- 1...Ba6
- 2.Re6#
- 1...Bxb4+
- 2.Sxb4#
- 1...Se4
- 2.Qd7#
- 1...Sh5
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...Sh7
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sg8
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Rh1
- Tries
- 1.Sd3?
- threat
- 2.b5#
- 1...Bxb4+
- 2.Saxb4#
- 2.Sdxb4#
- 1...Bxd3
- 2.Re6#
- 1...Sd7
- 2.Qxd7#
- 1...Rb8
- 2.axb8S#
- 1...Rb1!
- threat
- 1.Sc4?
- threat
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Bxc4
- 2.Re6#
- 1...Sd7
- 2.Qxd7#
- 1...Rb8
- 2.axb8S#
- 1...Rb1!
- threat
- 1.Bd3?
- threat
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Bxd3
- 2.Re6#
- 1...Rb8
- 2.axb8S#
- 1...Sd7!
- threat
- 1.Bc8?
- threat
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bxb4+
- 2.Sxb4#
- 1...Qxe1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rxe1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rxc2
- 2.Bb7#
- 2.a8Q#
- 2.a8B#
- 1...Bxb2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Sd7
- 2.Qxd7#
- 1...Rb1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qg2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qh3
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qg1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qh1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qf2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qf3
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qf4
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Qf5
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Ra1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rd1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh1
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh3
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh4
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh5
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh6
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rh7
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rd8
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Re8
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rf8
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Rg8
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bd1
- 2.Bb7#
- 2.Re6#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bd3
- 2.Bb7#
- 2.Re6#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bf3
- 2.Bb7#
- 2.Re6#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bc4
- 2.Bb7#
- 2.Re6#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Bb5
- 2.Bb7#
- 2.Re6#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Ba6
- 2.Re6#
- 2.Qc5#
- 1...Sf2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Sh2
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Se3
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Se5
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Sh6
- 2.Bb7#
- 2.Qc5#
- 2.a8Q#
- 2.a8B#
- 1...Se4
- 2.Bb7#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sh5
- 2.Bb7#
- 2.Qc5#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sh7
- 2.Bb7#
- 2.Qc5#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Se8
- 2.Bb7#
- 2.Qc5#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Sg8
- 2.Bb7#
- 2.Qc5#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Rxc8!
- threat
- 1.Rxe2?
- threat
- 2.Re6#
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Qxf5
- 2.b5#
- 1...Sd7
- 2.Qxd7#
- 1...Qe1
- 2.b5#
- 1...Qf4
- 2.b5#
- 1...Re1
- 2.b5#
- 1...Rb8
- 2.Re6#
- 2.axb8S#
- 1...Rd8
- 2.b5#
- 1...Se3
- 2.b5#
- 1...Se5
- 2.b5#
- 1...Se4
- 2.Qd7#
- 2.b5#
- 1...Se8
- 2.Qd7#
- 2.b5#
- 2.a8Q#
- 2.a8B#
- 1...Qxe2!
- threat
- 1.Rd3?
- threat
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Bxd3
- 2.Re6#
- 1...Sd7
- 2.Qxd7#
- 1...Rb8
- 2.axb8S#
- 1...d4!
- threat
- 1.Rc4+?
- 1...Bxc4
- 2.Re6#
- 1...dxc4!
- 1...Bxc4
- 1.Rxd5?
- threat
- 2.Rc5#
- 2.Rd6#
- 1...Bxb4+
- 2.Sxb4#
- 1...Kxd5
- 2.Qc5#
- 1...Rxc2
- 2.Rd6#
- 1...Sxd5
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...Qg1
- 2.Rd6#
- 1...Qf2
- 2.Rd6#
- 1...Qf4
- 2.Rc5#
- 1...Rd8
- 2.Rc5#
- 1...Se4
- 2.Qd7#
- 1...Se8
- 2.Rc5#
- 2.Qd7#
- 2.a8Q#
- 2.a8B#
- 1...Qxf5!
- threat
- 1.Qe6+?
- 1...Kc7
- 2.Qb6#
- 1...Kb7!
- 1...Kc7
- 1.d3?
- threat
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Bxd3
- 2.Re6#
- 1...Sd7
- 2.Qxd7#
- 1...Rb8
- 2.axb8S#
- 1...Qxe1!
- threat
- 1.Sd3?
- Keys
- 1.c4!
- threat
- 2.b5#
- 1...Bxb4+
- 2.Sxb4#
- 1...Bxc4
- 2.Re6#
- 1...Sd7
- 2.Qxd7#
- 1...Rb8
- 2.axb8S#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(i);N_GUARD::P=Q
- R(i);OGATE::PXR(i)=S
- B(c);OGATE::R(A)
- B(d);CHECK,XP(F)::S(B),XB(d)
- S(h);N_GUARD::QAB1(K)
- S(h);N_GUARD::QAB1(K),XS(h)
- Tries
- Try
- S(C);
- Threat
- P(F)
- Vars
- B(c);OGATE,XS(C)::R(A)
- S(h);N_GUARD::QAB1(K),XS(h)
- R(i);OGATE::PXR(i)=S
- Refutation
- R(a);
- Try
- S(C);
- Threat
- P(F)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- B(c);OGATE,XS(C)::R(A)
- S(h);N_GUARD::QAB1(K),XS(h)
- R(i);OGATE::PXR(i)=S
- Refutation
- R(a);
- Try
- B(I);
- Threat
- P(F)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- B(c);OGATE,XB(I)::R(A)
- R(i);OGATE::PXR(i)=S
- Refutation
- S(h);
- Try
- B(I);
- Threat
- DUALS(4)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- S(h);N_GUARD::QAB1(K),XS(h)
- Refutation
- R(i);XB(I)
- Try
- R(A);XB(c)
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- Q(b);XB(I)::P(F)
- S(h);N_GUARD::QAB1(K),XS(h)
- Q(b);::P(F)
- R(a);::P(F)
- R(i);::P(F)
- S(e);::P(F)
- Refutation
- Q(b);XR(A)
- Try
- R(G);
- Threat
- P(F)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- B(c);OGATE,XR(G)::R(A)
- S(h);N_GUARD::QAB1(K),XS(h)
- R(i);OGATE::PXR(i)=S
- Refutation
- P(f);
- Try
- R(G);CHECK
- Vars
- B(c);OGATE,XR(G)::R(A)
- Refutation
- P(f);XR(G)
- Try
- R(G);XP(f)
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- K(g);S_FLIGHT,XR(G)::QAR1(K)
- R(a);XP(D)::R1(G)
- S(h);N_GUARD,XR(G)::QAB1(K)
- S(h);N_GUARD::QAB1(K),XS(h)
- Q(b);::R1(G)
- R(i);::R1(G)
- S(h);N_GUARD::QAB1(K)
- Refutation
- Q(b);P_PINR(G),XB(I)
- Try
- Q(K);CHECK
- Vars
- K(g);OGATE,P-FLIGHT::QAB1(K)
- Refutation
- K(g);S_FLIGHT
- Try
- P(E);
- Threat
- P(F)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- B(c);OGATE,XP(E)::R(A)
- S(h);N_GUARD::QAB1(K),XS(h)
- R(i);OGATE::PXR(i)=S
- Refutation
- Q(b);P_PINP(F),XR(A)
- Try
- Actual
- P(D);
- Threat
- P(F)
- Vars
- B(d);CHECK,XP(F)::S(B),XB(d)
- B(c);OGATE,XP(D)::R(A)
- S(h);N_GUARD::QAB1(K),XS(h)
- R(i);OGATE::PXR(i)=S
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).