MESON Chess Problem Database
Problem Display
PID: 224819 (2K5/3Pp3/pPBp4/k7/3N2nR/2p4q/3Q2r1/1R4B1 w - - 0 1)
Fischl, Josef
Deutsche Schachzeitung, 1943
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Qxc3#
- 1...Qh2
- 2.Qxc3#
- 1...Qxh4
- 2.Qxc3#
- 1...Rxg1
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Sf2
- 2.Qa2#
- 1...Sh2
- 2.Sb3#
- 1...Se3
- 2.Qxc3#
- 1...Se5
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 1...Sh6
- 2.Sb3#
- 1...Qh1
- Tries
- 1.Se2?
- threat
- 2.Qa2#
- 2.Qd5#
- 1...Rxe2
- 2.Qd5#
- 1...Qd3
- 2.Qa2#
- 1...Qe3
- 2.Qa2#
- 1...Qf3
- 2.Qa2#
- 1...Se3
- 2.Ra4#
- 2.Qxc3#
- 2.Qa2#
- 1...Sf6
- 2.Ra1#
- 2.Ra4#
- 2.Qa2#
- 1...d5
- 2.Qa2#
- 2.Qxd5#
- 1...e6
- 2.Qa2#
- 1...cxd2!
- threat
- 1.Rxh3?
- threat
- 2.Qxc3#
- 1...cxd2
- 2.Ra3#
- 1...Rg3
- 2.Qa2#
- 1...Rxd2!
- threat
- 1.Qg5+?
- 1...Se5
- 2.Sb3#
- 1...d5
- 2.Qxd5#
- 1...e5!
- 1...Se5
- 1.Qxg2?
- threat
- 2.Qd5#
- 2.Qa2#
- 1...Qh1
- 2.Qa2#
- 1...Qh2
- 2.Qd5#
- 1...Qd3
- 2.Qa2#
- 1...Qf3
- 2.Qa2#
- 1...Sf2
- 2.Qd5#
- 1...Se3
- 2.Qa2#
- 1...Sf6
- 2.Sb3#
- 2.Qa2#
- 1...c2
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 2.Qa2#
- 1...e6
- 2.Qa2#
- 1...Qxg2!
- threat
- 1.Se2?
- Keys
- 1.b7!
- threat
- 2.d8Q#
- 2.d8B#
- 1...Qxh4
- 2.Qxc3#
- 2.d8Q#
- 2.d8B#
- 1...Rxg1
- 2.Qa2#
- 2.d8Q#
- 2.d8B#
- 1...Rxd2
- 2.d8Q#
- 2.d8B#
- 1...cxd2
- 2.d8Q#
- 2.d8B#
- 1...e5
- 2.d8Q#
- 2.d8B#
- 1...Qh1
- 2.Qxc3#
- 2.d8Q#
- 2.d8B#
- 1...Qh2
- 2.Qxc3#
- 2.d8Q#
- 2.d8B#
- 1...Qd3
- 2.d8Q#
- 2.d8B#
- 1...Qe3
- 2.d8Q#
- 2.d8B#
- 1...Qf3
- 2.d8Q#
- 2.d8B#
- 1...Qg3
- 2.d8Q#
- 2.d8B#
- 1...Re2
- 2.d8Q#
- 2.d8B#
- 1...Rf2
- 2.d8Q#
- 2.d8B#
- 1...Rh2
- 2.d8Q#
- 2.d8B#
- 1...Rg3
- 2.Qa2#
- 2.d8Q#
- 2.d8B#
- 1...Sf2
- 2.Qa2#
- 1...Sh2
- 2.Sb3#
- 1...Se3
- 2.Qxc3#
- 1...Se5
- 2.Sb3#
- 1...Sf6
- 2.Sb3#
- 1...Sh6
- 2.Sb3#
- 1...d5
- 2.d8Q#
- 2.d8B#
- 1...e6
- 2.d8Q#
- 2.d8B#
- threat
- 1.b7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(c);N_GUARD::QAB(C),XP(b)
- Q(c);N_GUARD,SBLOCK,XR(E)::QAB(C),XP(b)
- R(a);N_GUARD,XB(B)::QAR(C)
- R(a);N_GUARD::QAR(C)
- S(d);P_PINP(H),S_CUTR(a)::QAR(C)
- S(d);P_PINP(H)::S(D)
- S(d);P_PINP(H),S_CUTQ(c)::QAB(C),XP(b)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);XS(D)::QAR(C)
- Q(c);::QAR(C)
- P(h);::QAR(C)
- Refutation
- P(b);N_SPINP(b),XQ(C)
- Try
- R(E);XQ(c)
- Threat
- QAB(C),XP(b)
- Vars
- P(b);N_SPINP(b),OGATE,XQ(C)::R(E)
- R(a);N_GUARD::QAR(C)
- Refutation
- R(a);N_SPINP(b),XQ(C)
- Try
- Q(C);CHECK,N_PINP(b)
- Vars
- S(d);P_PINP(H),P_SPINS(d)::S(D)
- P(g);P_SPINP(g)::QAR(C),XP(g)
- Refutation
- P(h);P_SPINP(h)
- Try
- Q(C);N_PINP(b),XR(a)
- Threat
- DUALS(2)
- Vars
- Q(c);::QAR(C)
- S(d);P_PINP(H)::QAR(C)
- P(b);::QAR(C)
- P(h);::QAR(C)
- Refutation
- Q(c);XQ(C)
- Try
- Actual
- P(F);
- Threat
- P=Q
- Vars
- R(a);N_SPINP(b),XQ(C)::P=Q
- P(b);N_SPINP(b),XQ(C)::P=Q
- P(h);::P=Q
- Q(c);::P=Q
- R(a);::P=Q
- S(d);P_PINP(H),S_CUTR(a)::QAR(C)
- S(d);P_PINP(H)::S(D)
- S(d);P_PINP(H),S_CUTQ(c)::QAB(C),XP(b)
- P(g);::P=Q
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).