MESON Chess Problem Database
Problem Display
PID: 166789 (4qR2/8/pBP3n1/K1p1RPp1/4Nkp1/2p3N1/n3b1PP/b5Q1 w - - 0 1)
Mazul, Waldemar
4th Prize, Arguelles MT, 2001
#2
11 + 11
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Tries
- 1.Sd2?
- threat
- 2.Qe3#
- 1...Qxe5
- 2.Sh5#
- 1...Sxe5
- 2.Sxe2#
- 1...Kxe5!
- threat
- 1.Sxc3?
- threat
- 2.Qe3#
- 1...Kxe5
- 2.Bc7#
- 1...Qxe5
- 2.Sh5#
- 1...Sxe5
- 2.Scxe2#
- 2.Sd5#
- 2.Sgxe2#
- 1...Bxc3+!
- threat
- 1.Sxc5?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...Qxc6
- 2.Qe3#
- 1...Qxe5
- 2.Sh5#
- 1...Sxe5
- 2.Sxe2#
- 2.Qd4#
- 1...Qd7
- 2.Re4#
- 2.Qe3#
- 1...Qd8
- 2.Re4#
- 2.Qe3#
- 1...Bd3
- 2.Sxd3#
- 2.Qe3#
- 1...Bf3
- 2.Sd3#
- 2.Qe3#
- 1...c2
- 2.Qe3#
- 1...Kxe5!
- threat
- 1.Sd6?
- threat
- 2.Qe3#
- 1...Qxe5
- 2.Sh5#
- 1...Sxe5
- 2.Sxe2#
- 1...Kxe5!
- threat
- 1.Bc7?
- threat
- 2.Sxe2#
- 2.Sh5#
- 1...Qxe5
- 2.fxg6#
- 1...Sxf8
- 2.Sxe2#
- 2.Re6#
- 2.Re7#
- 2.Rxe8#
- 1...Bd1
- 2.Sh5#
- 1...Bf1
- 2.Sh5#
- 2.Qf2#
- 1...Bd3
- 2.Sh5#
- 2.Qf2#
- 1...Bf3
- 2.Sh5#
- 1...Bc4
- 2.Sh5#
- 2.Qf2#
- 1...Bb5
- 2.Sh5#
- 2.Qf2#
- 1...Sc1
- 2.Sh5#
- 2.Qxc1#
- 1...Sh4
- 2.Sxe2#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Se7
- 2.Sxe2#
- 2.Rxc5#
- 2.Rd5#
- 2.Re6#
- 2.Rxe7#
- 1...Sh8
- 2.Sxe2#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sxe5!
- threat
- 1.Rexe8?
- threat
- 2.Sxe2#
- 2.Sh5#
- 2.fxg6#
- 1...Sxf8
- 2.Bc7#
- 1...Se7
- 2.Bc7#
- 1...Bd1
- 2.Sh5#
- 2.fxg6#
- 1...Bf1
- 2.Sh5#
- 2.Qf2#
- 2.fxg6#
- 1...Bd3
- 2.Sh5#
- 2.Qf2#
- 2.fxg6#
- 1...Bf3
- 2.Sh5#
- 2.fxg6#
- 1...Bc4
- 2.Sh5#
- 2.Qf2#
- 1...Bb5
- 2.Sh5#
- 2.Qf2#
- 2.fxg6#
- 1...Sc1
- 2.Sh5#
- 2.Qxc1#
- 2.fxg6#
- 1...Sh4
- 2.Sxe2#
- 2.Sh5#
- 2.Bc7#
- 1...Sh8
- 2.Sxe2#
- 2.Sh5#
- 2.Bc7#
- 1...c2
- 2.Sxe2#
- 2.Sh5#
- 1...Se5!
- threat
- 1.Qd4?
- threat
- 2.Sxe2#
- 2.Sh5#
- 2.Sxc5#
- 1...Qxc6
- 2.Sxe2#
- 2.Sh5#
- 1...Qxe5
- 2.Sxe2#
- 2.Sh5#
- 1...Sxe5
- 2.Sxe2#
- 2.Sxc5#
- 1...Sxf8
- 2.Sxe2#
- 2.Sxc5#
- 1...Qd7
- 2.Sxe2#
- 2.Sh5#
- 1...Qd8
- 2.Sxe2#
- 2.Sh5#
- 1...Bd1
- 2.Sh5#
- 2.Sxc5#
- 1...Bf1
- 2.Sh5#
- 2.Sxc5#
- 1...Bd3
- 2.Sh5#
- 1...Bf3
- 2.Sh5#
- 1...Bc4
- 2.Sh5#
- 2.Sxc5#
- 1...Bb5
- 2.Sh5#
- 2.Sxc5#
- 1...Sc1
- 2.Sh5#
- 2.Sxc5#
- 1...Sh4
- 2.Sxe2#
- 2.Sxc5#
- 1...Se7
- 2.Sxe2#
- 2.Sxc5#
- 1...Sh8
- 2.Sxe2#
- 2.Sxc5#
- 1...c2
- 2.Sxe2#
- 2.Sh5#
- 1...c4
- 2.Sxe2#
- 2.Sh5#
- 2.Sd2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sc5#
- 2.Sd6#
- 2.Sf6#
- 1...cxd4!
- threat
- 1.Qxc5?
- threat
- 2.Sxe2#
- 2.Sh5#
- 1...Sxe5
- 2.Qe3#
- 1...Sxf8
- 2.Sxe2#
- 1...Bd1
- 2.Sh5#
- 1...Bf1
- 2.Sh5#
- 1...Bd3
- 2.Sh5#
- 1...Bf3
- 2.Sh5#
- 1...Bc4
- 2.Sh5#
- 1...Bb5
- 2.Sh5#
- 1...Sc1
- 2.Sh5#
- 1...Sh4
- 2.Sxe2#
- 1...Se7
- 2.Sxe2#
- 1...Sh8
- 2.Sxe2#
- 1...Qxe5!
- threat
- 1.Sd2?
- Keys
- 1.Sf6!
- threat
- 2.Qe3#
- 1...Kxe5
- 2.Bc7#
- 1...Qxe5
- 2.Sfh5#
- 1...Sxe5
- 2.Sd5#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- QAB1(A)
- Vars
- Q(k);SBLOCK,XR(G)::S(D)
- S(j);SBLOCK,XR(G)::S(D),XB(c)
- Refutation
- K(e);S_FLIGHT,XR(G)
- Try
- S(E);XP(d)
- Threat
- QAB1(A)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(G)::B(I)
- Q(k);SBLOCK,XR(G)::S(D)
- Refutation
- B(a);CHECK,XS(E)
- Try
- S(E);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(k);XP(J)::QAB1(A)
- Q(k);P_PINS(E),SBLOCK,XR(G)::S(D)
- P(d);::QAB1(A)
- Refutation
- K(e);S_FLIGHT,XR(G)
- Try
- S(E);
- Threat
- QAB1(A)
- Vars
- Q(k);SBLOCK,XR(G)::S(D)
- S(j);SBLOCK,XR(G)::S(D),XB(c)
- Refutation
- K(e);S_FLIGHT,XR(G)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(k);N_GUARD,P_SPINQ(k),XR(G)::R(K)+P(H),XS(j)
- B(c);::S(D)
- Refutation
- S(j);P_SPINS(j),XR(G)
- Try
- R(G);XQ(k)
- Threat
- DUALS(3)
- Vars
- S(j);N_GUARD,XR(K)::B(I)
- S(j);N_GUARD::B(I)
- Refutation
- S(j);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(c);::S(D)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);XP(g)
- Threat
- DUALS(2)
- Vars
- S(j);SBLOCK,XR(G)::QAB1(A)
- S(j);XR(K)::S(D),XB(c)
- B(c);::S(D)
- S(b);::S(D)
- S(j);::S(D),XB(c)
- Refutation
- Q(k);P_PINQ(A),XR(G)
- Try
- Actual
- S(E);
- Threat
- QAB1(A)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(G)::B(I)
- Q(k);SBLOCK,XR(G)::S(E)
- S(j);SBLOCK,XR(G)::S(E)
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).