MESON Chess Problem Database
Problem Display
PID: 231414 (K7/8/3n4/6pp/1n1R2pb/1N1pk1p1/3R2B1/2N1B3 w - - 0 1)
Hochberger, Alfred
Nepszava, 1927
#2
7 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.R2xd3#
- 1...Sc2
- 2.R2xd3#
- 1...Sd5
- 2.R2xd3#
- 1...Sa6
- 2.R2xd3#
- 1...Sc6
- 2.R2xd3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Sa2
- Tries
- 1.Se2?
- 1...Sa2
- 2.R4xd3#
- 1...Sc2
- 2.R4xd3#
- 1...Sd5
- 2.R4xd3#
- 1...Sa6
- 2.R4xd3#
- 1...Sc6
- 2.R4xd3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...dxe2!
- 1...Sa2
- 1.Sa1?
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.R2xd3#
- 1...Sc2
- 2.R2xd3#
- 1...Sd5
- 2.R2xd3#
- 1...Sa6
- 2.R2xd3#
- 1...Sc6
- 2.R2xd3#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Kxd4!
- 1...Se4
- 1.Sa5?
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.R2xd3#
- 1...Sc2
- 2.R2xd3#
- 1...Sd5
- 2.R2xd3#
- 1...Sa6
- 2.R2xd3#
- 1...Sc6
- 2.R2xd3#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Kxd4!
- 1...Se4
- 1.Sc5?
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.R2xd3#
- 1...Sc2
- 2.R2xd3#
- 1...Sd5
- 2.R2xd3#
- 1...Sa6
- 2.R2xd3#
- 1...Sc6
- 2.R2xd3#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Kxd4!
- 1...Se4
- 1.Bxg3?
- 1...Sa2
- 2.R2xd3#
- 2.R4xd3#
- 1...Sc2
- 2.R2xd3#
- 2.R4xd3#
- 1...Sd5
- 2.R2xd3#
- 2.R4xd3#
- 1...Sa6
- 2.R2xd3#
- 2.R4xd3#
- 1...Sc6
- 2.R2xd3#
- 2.R4xd3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Bxg3!
- 1...Sa2
- 1.Bh1?
- 1...Se4
- 2.Rxe4#
- 1...Sa2
- 2.R2xd3#
- 1...Sc2
- 2.R2xd3#
- 1...Sd5
- 2.R2xd3#
- 1...Sa6
- 2.R2xd3#
- 1...Sc6
- 2.R2xd3#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...g2!
- 1...Se4
- 1.Rd1?
- 1...Se4
- 2.Rxe4#
- 1...Sc4
- 2.Re4#
- 1...Sa2
- 2.R1xd3#
- 1...Sc2
- 2.R1xd3#
- 1...Sd5
- 2.R1xd3#
- 1...Sa6
- 2.R1xd3#
- 1...Sc6
- 2.R1xd3#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...d2!
- 1...Se4
- 1.Rxb4?
- threat
- 2.Rxd3#
- 1...Se4
- 2.Rxe4#
- 1...Sc4!
- threat
- 1.Rc4?
- 1...Se4
- 2.Rxe4#
- 1...Sc2
- 2.Rxd3#
- 1...Sa2
- 2.Rxd3#
- 1...Sd5
- 2.Rxd3#
- 1...Sa6
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Sxc4!
- 1...Se4
- 1.Rxg4?
- 1...Sc2
- 2.Rxd3#
- 1...Sa2
- 2.Rxd3#
- 1...Sd5
- 2.Rxd3#
- 1...Sa6
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...hxg4!
- 1...Sc2
- 1.Se2?
- Keys
- 1.Rf2!
- 1...gxf2
- 2.Bd2#
- 1...Sc2
- 2.Rxd3#
- 1...Sa2
- 2.Rxd3#
- 1...Sd5
- 2.Rxd3#
- 1...Sa6
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...d2
- 2.Re2#
- 1...gxf2
- 1.Rf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- S(i);N_GUARD::R1(F),XS(i)
- Tries
- Try
- S(A);
- Vars
- S(d);N_GUARD::R1(F),XP(a)
- S(i);N_GUARD::R1(F)
- S(i);N_GUARD::R1(F),XS(i)
- Refutation
- P(a);XS(A)
- Try
- S(E);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XR(F)
- Try
- S(E);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XR(F)
- Try
- S(E);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XR(F)
- Try
- B(B);XP(c)
- Vars
- S(i);N_GUARD::R1(F)
- S(i);N_GUARD::R1(F),XS(i)
- Refutation
- B(f);XB(B)
- Try
- B(D);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(i);N_GUARD::R1(F)
- S(d);N_GUARD::R1(C),XP(a)
- Refutation
- P(a);
- Try
- R(F);XS(d)
- Threat
- R1(C),XP(a)
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- Refutation
- S(i);
- Try
- R(F);
- Vars
- S(i);N_GUARD::R1(F),XS(i)
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- Refutation
- S(i);XR(F)
- Try
- R(F);XP(e)
- Vars
- S(d);N_GUARD::R1(C),XP(a)
- S(i);N_GUARD::R1(F)
- S(i);N_GUARD::R1(F),XS(i)
- Refutation
- P(h);XR(F)
- Try
- Actual
- R(C);
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(F),XP(a)
- S(i);N_GUARD::R1(F)
- S(i);N_GUARD::R1(F),XS(i)
- P(a);N_GUARD::R1(C)
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).