MESON Chess Problem Database
Problem Display
PID: 194783 (1q6/2NRp3/1p1pPP2/2P5/2p2Kp1/2Pkp1Q1/1P5p/2bBB1N1 w - - 0 1)
Vokal, Stanislav
Die Schwalbe, 2018
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxb2
- 2.Qxe3#
- 1...d5
- 2.Rxd5#
- 1...exf6
- 2.Rxd6#
- 1...Bxb2
- Tries
- 1.Se2?
- threat
- 2.Sxc1#
- 1...Bxb2
- 2.Qxe3#
- 1...Bd2!
- threat
- 1.Sh3?
- threat
- 2.Sf2#
- 1...gxh3
- 2.Qg6#
- 1...h1S!
- threat
- 1.Sd5?
- threat
- 2.Sb4#
- 1...dxc5+
- 2.Sc7#
- 1...bxc5!
- threat
- 1.Sa6?
- threat
- 2.Sb4#
- 1...bxc5
- 2.Sxc5#
- 1...d5+!
- threat
- 1.Qxh2?
- threat
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 2.Qh7#
- 1...exf6
- 2.Bc2#
- 2.Rxd6#
- 2.Qc2#
- 2.Qe2#
- 1...Qb7
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qa8
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qe8
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qg8
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qh8
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Bd2
- 2.Qe2#
- 2.Qh7#
- 1...e2+!
- threat
- 1.Qg2?
- threat
- 2.Bc2#
- 2.Qe4#
- 2.Qd5#
- 2.Qc2#
- 2.Qe2#
- 1...hxg1S
- 2.Bc2#
- 2.Qe4#
- 2.Qd5#
- 2.Qc2#
- 1...h1Q
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...h1B
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qb7
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Qa8
- 2.Bc2#
- 2.Qc2#
- 2.Qe2#
- 1...Bd2
- 2.Qe4#
- 2.Qd5#
- 2.Qe2#
- 1...d5
- 2.Bc2#
- 2.Rxd5#
- 2.Qe4#
- 2.Qxd5#
- 2.Qc2#
- 2.Qe2#
- 1...e2+!
- threat
- 1.Qf3?
- threat
- 2.Qe2#
- 2.Qe4#
- 2.Qd5#
- 1...hxg1S
- 2.Qe4#
- 2.Qd5#
- 1...h1Q
- 2.Qe2#
- 1...h1B
- 2.Qe2#
- 1...Qb7
- 2.Qe2#
- 1...Qa8
- 2.Qe2#
- 1...d5
- 2.Rxd5#
- 2.Qe2#
- 2.Qe4#
- 2.Qxd5#
- 1...gxf3!
- threat
- 1.Qxg4?
- threat
- 2.Qe2#
- 2.Qf5#
- 2.Qg6#
- 1...hxg1Q
- 2.Qe2#
- 2.Qf5#
- 1...hxg1S
- 2.Qf5#
- 2.Qg6#
- 1...hxg1R
- 2.Qe2#
- 2.Qf5#
- 1...exf6
- 2.Rxd6#
- 2.Qe2#
- 2.Qf5#
- 1...h1Q
- 2.Qe2#
- 1...h1B
- 2.Qe2#
- 1...Qb7
- 2.Qe2#
- 1...Qa8
- 2.Qe2#
- 1...Qe8
- 2.Qe2#
- 2.Qf5#
- 1...Qg8
- 2.Qe2#
- 2.Qf5#
- 1...e2+!
- threat
- 1.Se2?
- Keys
- 1.Sf3!
- threat
- 2.Se5#
- 1...e2+
- 2.Sd2#
- 1...gxf3
- 2.Qg6#
- 1...exf6
- 2.Rxd6#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD,XP(D)::QAR1(F),XP(d)
- P(h);OGATE,P_PINS(K)::R(L),XP(h)
- P(i);N_GUARD,XP(J)::R(L),XP(h)
- Tries
- Try
- S(C);
- Threat
- S(C),XB(a)
- Vars
- B(a);N_GUARD,XP(D)::QAR1(F),XP(d)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- S(C)
- Vars
- P(f);OGATE,XS(C)::QAB(F)
- Refutation
- P(b);
- Try
- S(K);
- Threat
- S(K)
- Vars
- P(h);CHECK,XP(H)::R(L)+S(K)
- Refutation
- P(g);XP(H)
- Try
- S(K);
- Threat
- S(K)
- Vars
- P(g);XP(H)::S(K),XP(g)
- Refutation
- P(h);CHECK
- Try
- Q(F);N_PINP(d),P_PINP(h),XP(b)
- Threat
- DUALS(4)
- Refutation
- P(d);CHECK
- Try
- Q(F);N_PINP(d),P_PINP(h)
- Threat
- DUALS(5)
- Refutation
- P(d);CHECK
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- P(b);::QAB1(F)
- Q(j);::QAB1(F)
- Refutation
- P(f);N_SPINP(d),P_SPINP(h),XQ(F)
- Try
- Q(F);N_PINP(d),P_PINP(h),XP(f)
- Threat
- DUALS(3)
- Vars
- P(b);::QAB1(F)
- Q(j);::QAB1(F)
- Refutation
- P(d);CHECK
- Try
- Actual
- S(C);N_PINP(d),P_PINP(h)
- Threat
- S(C)
- Vars
- P(d);CHECK::QAR(F)+S(C)
- P(f);OGATE,XS(C)::QAB(F)
- P(i);N_GUARD,XP(J)::R(L),XP(h)
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).