MESON Chess Problem Database
Problem Display
PID: 57812 (8/K4n2/1Bp5/1kN1pN2/1pb5/7R/8/5Q2 w - - 0 1)
Vitale, Luigi
Telescacco 92, 2000
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...b3
- 2.Rxb3#
- 1...e4
- 2.Sd4#
- 1...Be2
- Tries
- 1.Rb3?
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxf1!
- 1...Be2
- 1.Re3?
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...b3
- 2.Rxb3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxf1!
- 1...Be2
- 1.Rf3?
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...b3
- 2.Rxb3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxf1!
- 1...Be2
- 1.Rg3?
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...b3
- 2.Rxb3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxf1!
- 1...Be2
- 1.Rh4?
- threat
- 2.Qxc4#
- 1...Be2
- 2.Qxe2#
- 1...Bd3
- 2.Qxd3#
- 1...Sd6
- 2.Sxd6#
- 1...e4
- 2.Sd4#
- 1...Bxf1!
- threat
- 1.Qe2?
- 1...Bd3
- 2.Qxd3#
- 1...b3
- 2.Rxb3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxe2!
- 1...Bd3
- 1.Qa1?
- threat
- 2.Qa4#
- 2.Qa5#
- 2.Qa6#
- 1...Bf1
- 2.Qxf1#
- 2.Qa6#
- 1...Be2
- 2.Qa6#
- 1...Bb3
- 2.Qa6#
- 1...Bd3
- 2.Qa6#
- 1...Bd5
- 2.Qa6#
- 1...Be6
- 2.Qa6#
- 1...b3
- 2.Qa4#
- 2.Qa5#
- 1...Ba2!
- threat
- 1.Rb3?
- Keys
- 1.Rd3!
- 1...Bxd3
- 2.Qxd3#
- 1...Ba2
- 2.Rb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bd5
- 2.Rxd5#
- 1...Be6
- 2.Rd5#
- 1...b3
- 2.Rxb3#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...e4
- 2.Sd4#
- 1...Bxd3
- 1.Rd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- B(b);OGATEB::QAB(A),XB(b)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(a);OGATEB::R(B),XP(a)
- P(d);N_GUARD::S(D)
- Tries
- Try
- R(B);P_PINP(a)
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- R(B);
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- P(a);OGATEB::R(B),XP(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- R(B);
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- P(a);OGATEB::R(B),XP(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- R(B);
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- P(a);OGATEB::R(B),XP(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- R(B);
- Threat
- QAB1(A),XB(b)
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- Q(A);
- Vars
- B(b);OGATEB::QAB(A),XB(b)
- P(a);OGATEB::R(B),XP(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- Q(A);N_PINB(b)
- Threat
- DUALS(3)
- Vars
- B(b);::QAB1(A)
- Refutation
- B(b);
- Try
- Actual
- R(B);N_PINB(b)
- Vars
- B(b);OGATE,P_SPINB(b),XR(B)::QAB(A),XB(b)
- B(b);OGATEB::QAB(A)+R(B)
- B(b);OGATEB::QAB(A)+R(B),XB(b)
- P(a);OGATEB::R(B),XP(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(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).