MESON Chess Problem Database
Problem Display
PID: 176221 (8/2p5/2NbR3/n2kp2B/K1R5/8/8/5Q2 w - - 0 1)
Juhe, Heinrich
Schach-Echo, 1970
#2
6 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Qf7#
- 1...Kxe6
- Tries
- 1.Sb4+?
- 1...Kxe6
- 2.Qf7#
- 1...Bxb4!
- 1...Kxe6
- 1.Bf7?
- threat
- 2.Rxe5#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 2.Qd3#
- 1...Sxc6
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...Ba3
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qd3#
- 1...Bb4
- 2.Sxb4#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qd3#
- 1...Bc5
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Be7
- 2.Sxe7#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qd3#
- 1...Bf8
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qd3#
- 1...Sb3
- 2.Rxe5#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...e4
- 2.Rexe4#
- 2.Re5#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...Sxc4!
- threat
- 1.Rd4+?
- 1...Kc5
- 2.Qb5#
- 1...Kxc6
- 2.Qb5#
- 1...Kxe6
- 2.Bg4#
- 2.Qf7#
- 1...exd4!
- 1...Kc5
- 1.Rc5+?
- 1...Ke4
- 2.Qf3#
- 1...Kxc5
- 2.Qb5#
- 1...Kxe6
- 2.Bg4#
- 2.Qf7#
- 1...Bxc5!
- 1...Ke4
- 1.Rxd6+?
- 1...cxd6
- 2.Bf7#
- 2.Qf7#
- 1...Kxd6!
- 1...cxd6
- 1.Rf6?
- threat
- 2.Bf7#
- 2.Qd3#
- 1...Sxc6
- 2.Bf7#
- 1...Bc5
- 2.Bf7#
- 1...Sb3
- 2.Bf7#
- 1...e4
- 2.Bf7#
- 1...Sxc4!
- threat
- 1.Rg6?
- threat
- 2.Qd3#
- 2.Qf7#
- 1...Sxc6
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Sb3
- 2.Qf7#
- 1...e4
- 2.Qf7#
- 1...Sxc4!
- threat
- 1.Rh6?
- threat
- 2.Bf7#
- 2.Qd3#
- 2.Qf7#
- 1...Sxc6
- 2.Bf7#
- 2.Qf7#
- 1...Bc5
- 2.Bf7#
- 2.Qf7#
- 1...Sb3
- 2.Bf7#
- 2.Qf7#
- 1...e4
- 2.Bf7#
- 2.Qf7#
- 1...Sxc4!
- threat
- 1.Qf3+?
- 1...Kxe6
- 2.Bg4#
- 2.Qf7#
- 1...e4
- 2.Qxe4#
- 1...Kxc4!
- 1...Kxe6
- 1.Sb4+?
- Keys
- 1.Re4!
- 1...Kxe4
- 2.Qf3#
- 1...Kc5
- 2.Qb5#
- 1...Kxc6
- 2.Qb5#
- 1...Kxe6
- 2.Qf7#
- 1...Sxc6
- 2.Qc4#
- 1...Ba3
- 2.R4xe5#
- 1...Bb4
- 2.R4xe5#
- 1...Bc5
- 2.R4xe5#
- 1...Be7
- 2.R4xe5#
- 1...Bf8
- 2.R4xe5#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Qc4#
- 1...Kxe4
- 1.Re4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
- Tries
- Try
- S(E);CHECK
- Vars
- K(b);S_FLIGHT,XR(F)::QAB1(A)
- Refutation
- B(d);XS(E)
- Try
- B(D);
- Threat
- DUALS(7)
- Refutation
- S(a);XR(C)
- Try
- R(C);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- K(b);P_SPINB(d),S_FLIGHT,XS(E)::QAB1(A)
- Refutation
- P(c);XR(C)
- Try
- R(C);CHECK
- Vars
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- K(b);P-FLIGHT,XR(C)::QAR1(A)
- Refutation
- B(d);XR(C)
- Try
- R(F);CHECK,XB(d)
- Refutation
- K(b);P-FLIGHT,XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- S(a);XS(E)::B(D)
- B(d);::B(D)
- S(a);::B(D)
- P(c);::B(D)
- Refutation
- S(a);XR(C)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- S(a);XS(E)::QAB(A)
- B(d);::QAB(A)
- S(a);::QAB(A)
- P(c);::QAB(A)
- Refutation
- S(a);XR(C)
- Try
- R(F);
- Threat
- DUALS(3)
- Refutation
- S(a);XR(C)
- Try
- Q(A);CHECK
- Vars
- P(c);P_SPINP(c)::QAB1(A),XP(c)
- Refutation
- K(b);S_FLIGHT,XR(C)
- Try
- Actual
- R(C);
- Vars
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(C)::QAB1(A)
- K(b);P-FLIGHT::QAR1(A)
- K(b);P_SPINB(d),S_FLIGHT,XS(E)::QAB1(A)
- K(b);OGATEB,P_SPINP(c),S_FLIGHT,XR(F)::QAB1(A)
- S(a);N_GUARD,XS(E)::QAB1(A)
- B(d);N_GUARD::R1(C),XP(c)
- B(d);N_GUARD,SBLOCK::R1(C),XP(c)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
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).