MESON Chess Problem Database
Problem Display
PID: 248420 (2Kb4/1p1R1N2/N5Q1/2R2p2/r3k3/3rnpP1/b4B2/1Bq1n3 w - - 0 1)
Kapralos, Demetrius N
Comm., Novi Sad Olympic Ty., 1990
#2
9 + 11
| 14867 | BCPS Library | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Re5#
- 1...Qa3
- 2.Re5#
- 1...Qxb1
- 2.Re5#
- 1...Qd1
- 2.Re5#
- 1...Qxc5+
- 2.Sxc5#
- 1...Rc4
- 2.Qe6#
- 1...Bxb1
- 2.Qe6#
- 1...Bc4
- 2.Re5#
- 1...Be6
- 2.Qxe6#
- 1...Ba5
- 2.Sg5#
- 1...Bg5
- 2.Sxg5#
- 1...Bb6
- 2.Sg5#
- 1...Bc7
- 2.Sg5#
- 1...S1c2
- 2.Re5#
- 1...S1g2
- 2.Bxd3#
- 1...Sd1
- 2.Sd6#
- 2.Qxf5#
- 1...Sf1
- 2.Sd6#
- 2.Qxf5#
- 1...S3c2
- 2.Re5#
- 2.Qxf5#
- 1...S3g2
- 2.Sd6#
- 2.Qxf5#
- 1...Sc4
- 2.Rd4#
- 2.Qxf5#
- 1...Sg4
- 2.Sd6#
- 2.Qxf5#
- 1...Sd5
- 2.Qe6#
- 1...Qd2
- Tries
- 1.Qg4+?
- 1...Sxg4
- 2.Sd6#
- 1...f4
- 2.Qxf4#
- 1...fxg4!
- 1...Sxg4
- 1.Qc6+?
- 1...Sd5
- 2.Qe6#
- 1...bxc6
- 2.Re5#
- 1...Bd5!
- 1...Sd5
- 1.Qd6?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qb2
- 2.Qf4#
- 1...Qc3
- 2.Qf4#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bf6
- 2.Qf4#
- 1...Bc7
- 2.Sg5#
- 2.Re5#
- 1...S1g2
- 2.Bxd3#
- 2.Qe5#
- 2.Qxd3#
- 1...Sd1
- 2.Qe5#
- 1...Sf1
- 2.Qe5#
- 1...S3c2
- 2.Re5#
- 2.Qe5#
- 1...S3g2
- 2.Qe5#
- 1...Sc4
- 2.Qd4#
- 2.Qd5#
- 1...Sd5
- 2.Qe5#
- 2.Qe6#
- 1...f4
- 2.Qxf4#
- 2.Qe5#
- 1...Sg4!
- threat
- 1.Qf6?
- threat
- 2.Sg5#
- 2.Sd6#
- 2.Qe5#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qxb1
- 2.Sg5#
- 2.Re5#
- 2.Qe5#
- 1...Rxa6
- 2.Sg5#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Bxb1
- 2.Sg5#
- 2.Qe5#
- 2.Qe6#
- 1...Bxf7
- 2.Qe5#
- 1...Qb2
- 2.Sg5#
- 2.Sd6#
- 1...Qc2
- 2.Sg5#
- 2.Qe5#
- 1...Qc3
- 2.Sg5#
- 2.Sd6#
- 1...Rd4
- 2.Sg5#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qe5#
- 1...Bc7
- 2.Sg5#
- 1...Be7
- 2.Sg5#
- 2.Qe5#
- 1...S1c2
- 2.Sg5#
- 2.Re5#
- 2.Qe5#
- 1...Sd1
- 2.Sd6#
- 2.Qe5#
- 2.Qxf5#
- 1...Sf1
- 2.Sd6#
- 2.Qe5#
- 2.Qxf5#
- 1...S3c2
- 2.Re5#
- 2.Qe5#
- 2.Qxf5#
- 1...S3g2
- 2.Sd6#
- 2.Qe5#
- 2.Qxf5#
- 1...Sc4
- 2.Rd4#
- 2.Qd4#
- 2.Qxf5#
- 1...Sg4
- 2.Sd6#
- 2.Qxf5#
- 1...Sd5
- 2.Sd6#
- 2.Qe5#
- 2.Qe6#
- 1...Bxf6!
- threat
- 1.Qg7?
- threat
- 2.Sd6#
- 2.Qe5#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qxb1
- 2.Re5#
- 2.Qe5#
- 1...Rxa6
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Bxb1
- 2.Qe5#
- 1...Bxf7
- 2.Qe5#
- 1...Qb2
- 2.Sd6#
- 1...Qc2
- 2.Qe5#
- 1...Qc3
- 2.Sd6#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 2.Qe5#
- 1...Bc7
- 2.Sg5#
- 1...Be7
- 2.Qe5#
- 1...S1c2
- 2.Re5#
- 2.Qe5#
- 1...S3c2
- 2.Re5#
- 2.Qe5#
- 1...Sc4
- 2.Rd4#
- 2.Qd4#
- 1...Sg4
- 2.Sd6#
- 1...Bf6!
- threat
- 1.Qg4+?
- Keys
- 1.Qh6!
- threat
- 2.Qf4#
- 1...Qxc5+
- 2.Sxc5#
- 1...Bg5
- 2.Sxg5#
- 1...Bc7
- 2.Sg5#
- 1...S1g2
- 2.Bxd3#
- 1...Sd1
- 2.Sd6#
- 1...Sf1
- 2.Sd6#
- 1...S3c2
- 2.Re5#
- 1...S3g2
- 2.Sd6#
- 1...Sc4
- 2.Rd4#
- 1...Sg4
- 2.Sd6#
- 1...Sd5
- 2.Qe6#
- 1...f4
- 2.Qxf4#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 11
- Sets
- Q(a);N_PINR(D)::R1(D)
- Q(a);N_PINR(D),N_SPINR(d),XB(A)::R1(D)
- Q(a);CHECK,XR(D)::S(E),XQ(a)
- R(g);S_CUTB(c)::QAR2(F)
- B(c);N_GUARD,N_SPINR(d),XB(A)::QAR2(F)
- B(c);N_PINR(D)::R1(D)
- B(c);N_GUARD::QAR2(F),XB(c)
- B(k);N_GUARD::S(H)
- B(k);N_GUARD::S(H),XB(k)
- B(k);N_GUARD,N_PINR(D)::S(H)
- S(b);N_PINR(D),N_SPINR(d)::R1(D)
- S(b);N_GUARD::B(A),XR(d)
- S(e);S_CUTB(c)::QAR2(F)
- Tries
- Try
- Q(F);CHECK,N_PINP(i)
- Vars
- S(e);XQ(F)::S(H)
- P(i);P_SPINP(i)::QAR1(F),XP(i)
- Refutation
- P(i);XQ(F)
- Try
- Q(F);CHECK,N_PINP(i),N_SPINR(D)
- Vars
- S(e);P_SPINS(e),S_CUTB(c)::QAR2(F)
- P(j);XQ(F)::R1(D)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(F);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XR(D)::S(E),XQ(a)
- Q(a);N_PINR(D)::QAR1(F)
- Q(a);::QAR1(F)
- B(k);::QAR1(F)
- S(e);::QAR1(F)
- Refutation
- S(e);
- Try
- Q(F);N_PINP(i)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,XR(D)::S(E),XQ(a)
- B(c);XS(H)::QAR1(F)
- B(k);N_PINR(D)::S(H)
- Refutation
- B(k);XQ(F)
- Try
- Q(F);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XR(D)::S(E),XQ(a)
- B(c);N_SPINR(d),XB(A)::QAR1(F)
- B(c);XS(H)::QAR1(F)
- Q(a);N_PINR(D)::S(H)
- Q(a);N_SPINR(d)::QAR1(F)
- Q(a);::S(H)
- B(k);N_GUARD,N_PINR(D)::S(H)
- B(k);::QAR1(F)
- S(e);::S(H)
- Refutation
- B(k);
- Try
- Actual
- Q(F);N_PINP(i)
- Threat
- QAR1(F)
- Vars
- Q(a);CHECK,XR(D)::S(E),XQ(a)
- B(k);N_GUARD::S(H),XB(k)
- B(k);N_GUARD,N_PINR(D)::S(H)
- S(b);N_GUARD::B(A),XR(d)
- S(e);::S(H)
- S(e);N_PINR(D),N_SPINR(d)::R1(D)
- S(e);N_PINR(D),S_CUTR(g)::R1(G)
- S(e);S_CUTB(c)::QAR2(F)
- P(i);::QAR1(F),XP(i)
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).