MESON Chess Problem Database
Problem Display
PID: 246052 (8/2Bp2K1/1q1N2Q1/2ppP2R/Rn1k2b1/1P1B1P2/3P4/6r1 w - - 0 1)
Svitek, Miroslav
Kudesnik, 2019
#2
11 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa7
- 2.Sb5#
- 1...Qxc7
- 2.Sb5#
- 1...Qb5
- 2.Sxb5#
- 1...c4
- 2.Bxb6#
- 1...Qa7
- Tries
- 1.Bc2?
- threat
- 2.Qd3#
- 1...Bxf3
- 2.Sf5#
- 2.Qxg1#
- 1...Bxh5
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...c4
- 2.Bxb6#
- 1...Qb5
- 2.Sxb5#
- 1...Bh3
- 2.Qxg1#
- 1...Be6
- 2.Qxg1#
- 1...Qa6!
- threat
- 1.Be2?
- threat
- 2.Qd3#
- 1...Bxf3
- 2.Qxg1#
- 1...Bxh5
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...c4
- 2.Bxb6#
- 1...Qb5
- 2.Sxb5#
- 1...Bh3
- 2.Qxg1#
- 1...Be6
- 2.Qxg1#
- 1...Qa6!
- threat
- 1.Ba6?
- threat
- 2.Qd3#
- 1...Bxf3
- 2.Qxg1#
- 1...Bxh5
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...c4
- 2.Bxb6#
- 1...Qb5
- 2.Sxb5#
- 1...Bh3
- 2.Qxg1#
- 1...Be6
- 2.Qxg1#
- 1...Qxa6!
- threat
- 1.Rxb4+?
- 1...cxb4
- 2.Bxb6#
- 1...c4
- 2.Bxb6#
- 1...Qxb4!
- 1...cxb4
- 1.Bc2?
- Keys
- 1.Bb5!
- threat
- 2.Qd3#
- 1...Qxb5
- 2.Sxb5#
- 1...Bxf3
- 2.Qxg1#
- 1...Bxh5
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...c4
- 2.Bxb6#
- 1...Bh3
- 2.Qxg1#
- 1...Be6
- 2.Qxg1#
- threat
- 1.Bb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- Q(g);N_GUARD::S(H)
- Q(g);N_GUARD,XB(J)::S(H)
- Q(g);N_GUARD::S(H),XQ(g)
- P(e);N_SPINS(b),OGATEB::B(J),XQ(g)
- Tries
- Try
- B(C);
- Threat
- QAR1(I)
- Vars
- B(d);N_GUARD,P_PINQ(I),XR(G)::S(H)
- B(d);N_GUARD,P_PINQ(I)::S(H),XB(d)
- P(e);N_SPINS(b),OGATEB::B(J),XQ(g)
- Q(g);N_GUARD::S(H),XQ(g)
- B(d);OGATE,P_PINQ(I)::QAB(I),XR(a)
- Refutation
- Q(g);
- Try
- B(C);
- Threat
- QAR1(I)
- Vars
- B(d);OGATE,P_PINQ(I),XP(D)::QAB(I),XR(a)
- B(d);N_GUARD,P_PINQ(I),XR(G)::S(H)
- B(d);N_GUARD,P_PINQ(I)::S(H),XB(d)
- P(e);N_SPINS(b),OGATEB::B(J),XQ(g)
- Q(g);N_GUARD::S(H),XQ(g)
- B(d);OGATE,P_PINQ(I)::QAB(I),XR(a)
- Refutation
- Q(g);
- Try
- B(C);
- Threat
- QAR1(I)
- Vars
- B(d);OGATE,P_PINQ(I),XP(D)::QAB(I),XR(a)
- B(d);N_GUARD,P_PINQ(I),XR(G)::S(H)
- B(d);N_GUARD,P_PINQ(I)::S(H),XB(d)
- P(e);N_SPINS(b),OGATEB::B(J),XQ(g)
- Q(g);N_GUARD::S(H),XQ(g)
- B(d);OGATE,P_PINQ(I)::QAB(I),XR(a)
- Refutation
- Q(g);XB(C)
- Try
- R(E);CHECK,XS(b)
- Vars
- P(e);XR(E)::B(J),XQ(g)
- P(e);P_SPINP(e)::B(J),XQ(g)
- Refutation
- Q(g);XR(E)
- Try
- Actual
- B(C);
- Threat
- QAR1(I)
- Vars
- Q(g);XB(C)::S(H),XQ(g)
- B(d);OGATE,P_PINQ(I),XP(D)::QAB(I),XR(a)
- B(d);N_GUARD,P_PINQ(I),XR(G)::S(H)
- B(d);N_GUARD,P_PINQ(I)::S(H),XB(d)
- P(e);N_SPINS(b),OGATEB::B(J),XQ(g)
- B(d);OGATE,P_PINQ(I)::QAB(I),XR(a)
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).