MESON Chess Problem Database
Problem Display
PID: 198937 (8/5r1B/1N4P1/2q1Pp2/RPpNk3/3pPRB1/pQ3K2/5b2 w - - 0 1)
Vokal, Stanislav
64 Shakhmatnoe obozrenie, 2019
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Qxd4#
- 1...Qxd4
- Tries
- 1.Sb3?
- threat
- 2.Sd2#
- 2.Sxc5#
- 2.Rf4#
- 1...Qxe3+
- 2.Rxe3#
- 1...Qxb4
- 2.Rf4#
- 2.Qd4#
- 1...Qxe5
- 2.Sd2#
- 2.Qxe5#
- 1...cxb3
- 2.Rf4#
- 2.bxc5#
- 1...d2
- 2.Sxc5#
- 1...f4
- 2.gxf7#
- 1...Qd4
- 2.Sd2#
- 2.Qxd4#
- 1...Qd6
- 2.Sd2#
- 2.Rf4#
- 1...Qe7
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qf8
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qa5
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qb5
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qd5
- 2.Sd2#
- 2.Rf4#
- 1...Qc6
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qc7
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Qc8
- 2.Sd2#
- 2.Rf4#
- 2.Qd4#
- 1...Rc7
- 2.Sd2#
- 2.Rf4#
- 1...c3
- 2.Sxc5#
- 2.bxc5#
- 1...Qxb6!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.Rf4#
- 1...Qxe3+
- 2.Rxe3#
- 1...Qxb4
- 2.Rf4#
- 2.Qd4#
- 1...Qxb6
- 2.Sc3#
- 1...Qxb5
- 2.Rf4#
- 2.Qd4#
- 1...Qxe5
- 2.Qxe5#
- 1...f4
- 2.gxf7#
- 1...Qd4
- 2.Qxd4#
- 1...c3
- 2.bxc5#
- 1...d2!
- threat
- 1.Se6?
- threat
- 2.Sxc5#
- 2.Sg5#
- 2.Rf4#
- 1...Qxe3+
- 2.Rxe3#
- 1...Qxb4
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qxe5
- 2.Sg5#
- 2.Qxe5#
- 1...d2
- 2.Sxc5#
- 1...f4
- 2.gxf7#
- 1...Qd4
- 2.Sg5#
- 2.Qxd4#
- 1...Qd6
- 2.Sg5#
- 2.Rf4#
- 1...Qe7
- 2.Rf4#
- 2.Qd4#
- 1...Qf8
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qa5
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qb5
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qd5
- 2.Sg5#
- 2.Rf4#
- 1...Qc6
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qc7
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Qc8
- 2.Sg5#
- 2.Rf4#
- 2.Qd4#
- 1...Rc7
- 2.Sg5#
- 2.Rf4#
- 1...c3
- 2.Sxc5#
- 2.Sg5#
- 2.bxc5#
- 1...Qxb6!
- threat
- 1.Sb3?
- Keys
- 1.Se2!
- threat
- 2.Sc3#
- 2.Rf4#
- 1...Qxe3+
- 2.Rxe3#
- 1...Qxb4
- 2.Rf4#
- 2.Qd4#
- 1...Qxb6
- 2.Sc3#
- 1...Qxe5
- 2.Qxe5#
- 1...Bxe2
- 2.Rf4#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Qc2#
- 1...f4
- 2.gxf7#
- 1...Qd4
- 2.Qxd4#
- 1...c3
- 2.bxc5#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(f);OGATE,P_PINP(C),XS(H)::QAR1(A),XQ(f)
- Tries
- Try
- S(H);P_SPINP(C)
- Threat
- DUALS(3)
- Vars
- Q(f);CHECK,OGATE,XP(C)::R1(D),XQ(f)
- P(c);::S(H),XQ(f)
- P(g);::B(L)+P(K),XR(h)
- Refutation
- Q(f);XS(J)
- Try
- S(H);P_SPINP(C)
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,OGATE,XP(C)::R1(D),XQ(f)
- Q(f);XS(J)::S(H)
- Q(f);N_PINP(C),OGATE,XP(I)::QAR1(A),XQ(f)
- P(g);::B(L)+P(K),XR(h)
- Q(f);N_GUARD::QAR1(A),XQ(f)
- P(d);::R(F)+P(G),XQ(f)
- Refutation
- P(c);
- Try
- S(H);P_SPINP(C)
- Threat
- DUALS(3)
- Vars
- Q(f);CHECK,OGATE,XP(C)::R1(D),XQ(f)
- P(c);::S(H),XQ(f)
- P(g);::B(L)+P(K),XR(h)
- Refutation
- Q(f);XS(J)
- Try
- Actual
- S(H);P_SPINP(C)
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,OGATE,XP(C)::R1(D),XQ(f)
- Q(f);XS(J)::S(H)
- Q(f);N_PINP(C),OGATE,XP(I)::QAR1(A),XQ(f)
- B(a);XS(H)::R1(D)
- P(c);OGATEB,XS(H)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(g);::B(L)+P(K),XR(h)
- Q(f);N_GUARD::QAR1(A),XQ(f)
- P(d);::R(F)+P(G),XQ(f)
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).