MESON Chess Problem Database
Problem Display
PID: 157161 (8/4P3/1R1n1n1Q/4k3/2P4N/2P2P2/8/4K3 w - - 0 1)
Haring, Jacobus
Wiener Schachzeitung, 1937
#2
8 + 3
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...Sg8
- 2.Qxd6#
- 1...Ke6
- Tries
- 1.Kd1?
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...Sg8
- 2.Qxd6#
- 1...Sfe8!
- 1...Ke6
- 1.Kf1?
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...Sg8
- 2.Qxd6#
- 1...Sfe8!
- 1...Ke6
- 1.Ke2?
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...Sg8
- 2.Qxd6#
- 1...Sfe8!
- 1...Ke6
- 1.Ra6?
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...Sg8
- 2.Qxd6#
- 1...Sfe8!
- 1...Ke6
- 1.Rxd6?
- threat
- 2.Qxf6#
- 1...Se8
- 2.Rd5#
- 2.Re6#
- 1...Se4
- 2.Rd5#
- 2.Re6#
- 2.f4#
- 2.e8Q#
- 2.e8R#
- 1...Sg4
- 2.Rd5#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...Sd5
- 2.Rxd5#
- 2.Re6#
- 1...Sh5
- 2.Rd5#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...Sd7
- 2.Rd5#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...Sh7
- 2.Rd5#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...Sg8
- 2.Rd5#
- 2.Re6#
- 1...Kxd6!
- threat
- 1.Qe3+?
- 1...Sde4
- 2.f4#
- 1...Sfe4!
- 1...Sde4
- 1.Qg5+?
- 1...Sf5
- 2.Sg6#
- 2.Qxf5#
- 1...Ke6!
- 1...Sf5
- 1.f4+?
- 1...Ke6
- 2.e8Q#
- 1...Ke4!
- 1...Ke6
- 1.e8Q+?
- 1...Sdxe8
- 2.Qg5#
- 1...Sfxe8!
- 1...Sdxe8
- 1.e8R+?
- 1...Sdxe8
- 2.Qg5#
- 1...Sfxe8!
- 1...Sdxe8
- 1.Kd1?
- Keys
- 1.Rc6!
- 1...Ke6
- 2.e8Q#
- 1...Sxc4
- 2.Qg5#
- 1...Sfe8
- 2.Rc5#
- 1...Sde4
- 2.f4#
- 1...Sb5
- 2.Qg5#
- 2.Qxf6#
- 1...Sf5
- 2.Sg6#
- 1...Sb7
- 2.Qg5#
- 2.Qxf6#
- 1...Sf7
- 2.Qxf6#
- 1...Sc8
- 2.Qg5#
- 2.Qxf6#
- 1...Sde8
- 2.Qg5#
- 1...Sfe4
- 2.f4#
- 1...Sg4
- 2.Rc5#
- 2.Qxd6#
- 1...Sd5
- 2.Qxd6#
- 1...Sh5
- 2.Rc5#
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Rc5#
- 2.Qxd6#
- 1...Sg8
- 2.Rc5#
- 2.Qxd6#
- 1...Ke6
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
- Refutation
- S(c);
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
- Refutation
- S(c);
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
- Refutation
- S(c);
- Try
- R(F);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
- Refutation
- S(c);
- Try
- R(F);XS(b)
- Threat
- QAB1(G),XS(c)
- Refutation
- K(a);P_SPINS(c),S_FLIGHT,XR(F)
- Try
- Q(G);CHECK
- Vars
- S(b);P_SPINS(b)::P(C)
- Refutation
- S(c);P_SPINS(c)
- Try
- Q(G);CHECK
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- P(C);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- Refutation
- K(a);P-FLIGHT
- Try
- P(H);CHECK
- Vars
- S(b);XQ(H)::QAR2(G)
- Refutation
- S(c);XQ(H)
- Try
- P(H);CHECK
- Vars
- S(b);XR(H)::QAR2(G)
- Refutation
- S(c);XR(H)
- Try
- Actual
- R(F);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::P=Q
- S(b);N_GUARD,XP(D)::QAR2(G)
- S(c);N_GUARD::R(F)
- S(b);SBLOCK::P(C)
- S(b);SBLOCK::S(E)
- S(b);::QAB1(G),XS(c)
- S(b);N_GUARD::QAR2(G)
- S(c);SBLOCK::P(C)
- S(c);OGATE::QAB1(G),XS(b)
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).