MESON Chess Problem Database
Problem Display
PID: 23828 (5Q1K/b2B2Pp/3p1N2/4k1P1/N1P2p2/2nP2R1/1R4qn/B7 w - - 0 1)
Buglos, Janos
Die Schwalbe, 1997
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qe7#
- 2.Qe8#
- 1...Sb1
- 2.Re2#
- 2.Rb5#
- 1...Sd1
- 2.Re2#
- 2.Rb5#
- 1...Sa2
- 2.Re2#
- 2.Rb5#
- 1...Se2
- 2.Rxe2#
- 2.Rb5#
- 1...Sxa4
- 2.Re2#
- 2.Rb5#
- 1...Se4
- 2.Rb5#
- 1...Sb5
- 2.Re2#
- 2.Rxb5#
- 1...Sd5
- 2.Re2#
- 1...Bd4
- Tries
- 1.Se4?
- threat
- 2.Qxd6#
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Qxe4
- 2.Qf6#
- 1...Sxe4
- 2.Rb5#
- 1...Bc5
- 2.Qf6#
- 1...Bb8
- 2.Qf6#
- 1...Sg4
- 2.Qxd6#
- 1...Sb5
- 2.Rxb5#
- 2.Qf6#
- 1...d5
- 2.Qf6#
- 1...Sd5!
- threat
- 1.Sg4+?
- 1...Kd4
- 2.Qf6#
- 1...Sxg4!
- 1...Kd4
- 1.Sd5?
- threat
- 2.Qxf4#
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Qxd5
- 2.Qf6#
- 1...Qxg3
- 2.Qf6#
- 1...Sxd5
- 2.Re2#
- 1...fxg3
- 2.Qf4#
- 2.Qf6#
- 1...Qf1
- 2.Qf6#
- 1...Qf3
- 2.Qf6#
- 1...Qe4
- 2.Qf6#
- 1...Qd2
- 2.Qf6#
- 1...Qf2
- 2.Qf6#
- 1...Be3
- 2.Qf6#
- 1...Sg4
- 2.Qxf4#
- 1...Se2
- 2.Rxe2#
- 2.Qf6#
- 1...f3
- 2.Qf4#
- 2.Qf6#
- 1...Se4!
- threat
- 1.Sh5?
- threat
- 2.Qxf4#
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Qxg3
- 2.Qf6#
- 1...fxg3
- 2.Qf4#
- 2.Qf6#
- 1...Qf1
- 2.Qf6#
- 1...Qf3
- 2.Qf6#
- 1...Qe4
- 2.Qf6#
- 1...Qd2
- 2.Qf6#
- 1...Qf2
- 2.Qf6#
- 1...Be3
- 2.Qf6#
- 1...Sg4
- 2.Qxf4#
- 1...Se2
- 2.Rxe2#
- 2.Rb5#
- 2.Qf6#
- 1...Se4
- 2.Rb5#
- 1...Sd5
- 2.Re2#
- 1...f3
- 2.Qf4#
- 2.Qf6#
- 1...Qa8!
- threat
- 1.Sg8?
- threat
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Se4
- 2.Rb5#
- 1...Sd5
- 2.Re2#
- 1...Sg4!
- threat
- 1.Re2+?
- 1...Kd4
- 2.Bxc3#
- 1...Qe4
- 2.Rxe4#
- 1...Be3
- 2.Bxc3#
- 1...Qxe2!
- 1...Kd4
- 1.Rb5+?
- 1...Kd4
- 2.Bxc3#
- 1...Qd5
- 2.Rxd5#
- 1...Bc5
- 2.Bxc3#
- 1...d5!
- 1...Kd4
- 1.d4+?
- 1...Bxd4
- 2.Qe7#
- 2.Qe8#
- 1...Kxd4!
- 1...Bxd4
- 1.Se4?
- Keys
- 1.Se8!
- threat
- 2.Qxd6#
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Qd5
- 2.Qf6#
- 1...Qc6
- 2.Qf6#
- 1...Bc5
- 2.Qf6#
- 1...Bb8
- 2.Qf6#
- 1...Sg4
- 2.Qxd6#
- 1...Se4
- 2.Rb5#
- 1...Sb5
- 2.Re2#
- 2.Rxb5#
- 2.Qf6#
- 1...Sd5
- 2.Re2#
- 1...d5
- 2.Qf6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(c);::B(A)+R(B),DCHECK
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB(K)
- Q(a);XS(H)::QAB1(K)
- S(c);XS(H)::B(A)+R(B),DCHECK
- B(g);::QAB1(K)
- S(b);::QAB1(K),XP(f)
- P(f);::QAB1(K)
- Refutation
- S(c);
- Try
- S(H);CHECK
- Vars
- K(e);S_FLIGHT::QAB(K)
- Refutation
- S(b);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB(K)
- Q(a);XS(H)::QAB1(K)
- Q(a);XR(D)::QAB1(K)
- S(c);XS(H)::B(A)+R(B),DCHECK
- Q(a);::QAB1(K)
- B(g);::QAB1(K)
- S(b);::QAB1(K),XP(d)
- Refutation
- S(c);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB(K)
- Q(a);XR(D)::QAB1(K)
- Q(a);::QAB1(K)
- B(g);::QAB1(K)
- S(b);::QAB1(K),XP(d)
- S(c);::B(A)+R(B),DCHECK
- Refutation
- Q(a);P_PINQ(K)
- Try
- S(H);
- Threat
- QAB1(K)
- Vars
- K(e);S_FLIGHT::QAB(K)
- S(c);::B(A)+R(B),DCHECK
- Refutation
- S(b);
- Try
- R(B);CHECK,P_PINS(c)
- Vars
- K(e);S_FLIGHT::B(A),XS(c)
- Q(a);N_GUARD,P_SPINQ(a)::R1(B),XQ(a)
- B(g);P_SPINB(g)::B(A),XS(c)
- Refutation
- Q(a);XR(B)
- Try
- R(B);CHECK,P_PINS(c)
- Vars
- K(e);S_FLIGHT::B(A),XS(c)
- Q(a);N_GUARD,P_SPINQ(a)::R1(B),XQ(a)
- B(g);P_SPINB(g)::B(A),XS(c)
- Refutation
- P(f);P_SPINP(f)
- Try
- P(C);CHECK
- Refutation
- K(e);S_FLIGHT,XP(C)
- Try
- Actual
- S(H);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB(K)
- Q(a);::QAB1(K)
- B(g);::QAB1(K)
- S(b);::QAB1(K),XP(f)
- S(c);::B(A)+R(B),DCHECK
- P(f);::QAB1(K)
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).