MESON Chess Problem Database
Problem Display
PID: 120660 (3Rb1B1/B2ppr2/P2pR3/2nk2P1/2N2pP1/1P3K2/6N1/4Q3 w - - 0 1)
Lozek, Jozef
di Scala MT, 1998
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qd2#
- 1...Rf5
- 2.Rxd6#
- 1...Rf6
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Rf8
- 2.Rxd6#
- 1...Sxb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxa6
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Kd4
- Tries
- 1.Rxe7?
- 1...Kd4
- 2.Qd2#
- 1...Sxb3
- 2.Qe4#
- 1...Sxa6
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Kc6!
- 1...Kd4
- 1.Rc8?
- 1...Kd4
- 2.Qd2#
- 1...Sxb3
- 2.Qe4#
- 1...Sxa6
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Rf5
- 2.Rxd6#
- 1...Rf6
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Rf8
- 2.Rxd6#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb7
- 2.Qe4#
- 1...dxe6!
- 1...Kd4
- 1.Qe3?
- 1...Kc6
- 2.Qxc5#
- 1...Sxb3
- 2.Qe4#
- 1...Sxa6
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...dxe6
- 2.Qxc5#
- 1...Se4
- 2.Qxe4#
- 1...Rf5
- 2.Rxd6#
- 1...Rf6
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Rf8
- 2.Rxd6#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...fxe3+!
- 1...Kc6
- 1.Qe5+?
- 1...Kc6
- 2.Qxc5#
- 1...dxe5!
- 1...Kc6
- 1.Rxe7?
- Keys
- 1.Qa5!
- 1...Kd4
- 2.Qd2#
- 1...Kc6
- 2.Qxc5#
- 1...Kxe6
- 2.Sxf4#
- 1...dxe6
- 2.Qxc5#
- 1...Rf5
- 2.Rxd6#
- 1...Rf6
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Rf8
- 2.Rxd6#
- 1...Kd4
- 1.Qa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- K(c);P-FLIGHT,P_SPINS(b)::QAR2(A)
- R(g);::B(L)+R(I),DCHECK,XP(d)
- S(b);N_GUARD,XP(C)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD,XP(H)::QAB1(A)
- S(b);N_GUARD,XR(I)::QAB1(A)
- Tries
- Try
- R(I);P_PINR(g),XP(f)
- Vars
- K(c);N_SPINR(g),P-FLIGHT,P_SPINS(b)::QAR2(A)
- S(b);N_GUARD,XP(C)::QAB1(A)
- S(b);N_GUARD,XP(H)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD,N_SPINR(g)::QAB1(A)
- Refutation
- K(c);N_SPINR(g),S_FLIGHT
- Try
- R(K);
- Vars
- K(c);P-FLIGHT,P_SPINS(b)::QAR2(A)
- S(b);N_GUARD,XP(C)::QAB1(A)
- S(b);N_GUARD,XP(H)::QAB1(A)
- S(b);N_GUARD,XR(I)::QAB1(A)
- R(g);::B(L)+R(I),DCHECK,XP(d)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- P(e);XR(I)
- Try
- Q(A);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::QAR1(A),XS(b)
- S(b);N_GUARD,XP(C)::QAB1(A)
- S(b);N_GUARD,XP(H)::QAB1(A)
- S(b);N_GUARD,XR(I)::QAB1(A)
- P(e);P_SPINP(d),SBLOCK,XR(I)::QAR1(A),XS(b)
- S(b);N_GUARD::QAB1(A),XS(b)
- R(g);::B(L)+R(I),DCHECK,XP(d)
- S(b);N_GUARD::QAB1(A)
- Refutation
- P(a);CHECK,XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);OGATE,P_SPINP(d),S_FLIGHT::QAR1(A),XS(b)
- Refutation
- P(d);P_SPINP(e),XQ(A)
- Try
- Actual
- Q(A);P_PINS(b)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- K(c);N_SPINS(b),P_SPINP(d),S_FLIGHT::QAR1(A),XS(b)
- K(c);N_SPINS(b),P_SPINR(g),S_FLIGHT,XR(I)::S(B),XP(a)
- P(e);P_SPINP(d),SBLOCK,XR(I)::QAR1(A),XS(b)
- R(g);::B(L)+R(I),DCHECK,XP(d)
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).