MESON Chess Problem Database
Problem Display
PID: 108072 (8/3n1KpB/1p1pN3/Rb1Nk1P1/1pPR1ppb/2n5/1B1P3Q/4rr2 w - - 0 1)
Fleck, Ferenc
Szachy, 1977
#2
11 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Re4#
- 1...Rb1
- 2.Re4#
- 1...Rc1
- 2.Re4#
- 1...Rd1
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rg1
- 2.Qxf4#
- 1...Rh1
- 2.Qxf4#
- 1...Bf2
- 2.Qxf4#
- 1...Sb1
- 2.Re4#
- 1...Sd1
- 2.Re4#
- 1...Sa2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sxd5
- 2.Re4#
- 2.Rxd5#
- 1...Ra1
- Tries
- 1.Sxc3?
- threat
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...Sf6!
- threat
- 1.Sxb4?
- threat
- 2.Sd3#
- 2.Sc6#
- 2.Rd5#
- 1...bxa5
- 2.Sd3#
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...Sf6
- 2.Sd3#
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 2.Rd5#
- 1...Rf3
- 2.Sc6#
- 2.Rd5#
- 1...Sd5
- 2.Sd3#
- 2.Re4#
- 2.Rxd5#
- 1...Sc5
- 2.Rd5#
- 1...Sb8
- 2.Sd3#
- 2.Rd5#
- 1...g6!
- threat
- 1.Sdxf4?
- threat
- 2.Rd5#
- 1...Rxf4+
- 2.Qxf4#
- 1...d5
- 2.Rxd5#
- 1...Sf6
- 2.Sd3#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 1...g6!
- threat
- 1.Sf6?
- threat
- 2.Sxg4#
- 2.Sxd7#
- 2.Rd5#
- 1...bxa5
- 2.Sxg4#
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...g6
- 2.Rd5#
- 1...Rg1
- 2.Sxd7#
- 2.Rd5#
- 2.Qxf4#
- 1...Sd5
- 2.Sxg4#
- 2.Re4#
- 2.Rxd5#
- 1...Sc5
- 2.Sxg4#
- 2.Rd5#
- 1...Sb8
- 2.Sxg4#
- 2.Rd5#
- 1...Sf8
- 2.Sxg4#
- 2.Rd5#
- 1...g3
- 2.Sg4#
- 2.Sxd7#
- 2.Rd5#
- 1...Sxf6!
- threat
- 1.Se7?
- threat
- 2.Sc6#
- 2.Rd5#
- 1...bxa5
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...Sf6
- 2.Sc6#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 1...Sc5
- 2.Rd5#
- 1...Sb8
- 2.Rd5#
- 1...g6!
- threat
- 1.Qe2+?
- 1...Sxe2
- 2.Re4#
- 1...Se4
- 2.Rd3#
- 2.Rxe4#
- 1...Rxe2!
- 1...Sxe2
- 1.Sxc3?
- Keys
- 1.Rxf4!
- threat
- 2.d4#
- 1...Rxf4+
- 2.Qxf4#
- 1...Rd1
- 2.Qe2#
- 1...Re4
- 2.Rf5#
- 1...Bf2
- 2.Re4#
- threat
- 1.Rxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- R(b);N_GUARD::QAB1(C),XP(e)
- B(g);S_CUTR(b)::QAB1(C),XP(e)
- S(c);::B(A)+R(E),DCHECK
- S(c);::B(A)+R(E),DCHECK,XS(c)
- Tries
- Try
- S(G);P_PINB(h),XS(c)
- Threat
- R1(E)
- Vars
- P(k);N_SPINB(h)::R1(E),XP(k)
- Refutation
- S(l);
- Try
- S(G);P_PINB(h),XP(d)
- Threat
- DUALS(3)
- Vars
- P(k);N_SPINB(h)::R1(E),XP(k)
- S(l);N_SPINB(h)::R1(E)
- Refutation
- P(m);
- Try
- S(G);P_PINB(h),P_SPINS(G),XP(e)
- Threat
- R1(E)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(G)::QAB1(C),XR(b)
- P(k);N_SPINB(h)::R1(E),XP(k)
- S(l);N_PINS(G)::QAB(C)+S(G),DCHECK
- Refutation
- P(m);
- Try
- S(G);P_PINB(h)
- Threat
- DUALS(3)
- Vars
- P(m);XS(G)::R1(E)
- P(k);N_SPINB(h)::R1(E),XP(k)
- P(m);::R1(E)
- Refutation
- S(l);XS(G)
- Try
- S(G);P_PINB(h)
- Threat
- DUALS(2)
- Vars
- P(j);N_SPINB(h),XR(F)::R1(E)
- P(k);N_SPINB(h)::R1(E),XP(k)
- S(l);::S(G)
- S(l);N_SPINB(h)::R1(E)
- S(l);::R1(E)
- Refutation
- P(m);
- Try
- Q(C);CHECK,N_PINP(e)
- Vars
- S(c);XQ(C)::B(A)+R(E),DCHECK
- Refutation
- R(a);XQ(C)
- Try
- Actual
- R(E);P_PINS(c),P_SPINR(E),XP(e)
- Threat
- P(B)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XR(E)::QAB1(C),XR(b)
- R(a);N_GUARD::QAR(C)
- R(a);SBLOCK::QAB(C)+R(E),DCHECK
- B(g);N_PINR(E)::QAB(C)+R(E),DCHECK
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).