MESON Chess Problem Database
Problem Display
PID: 235207 (4RN2/1K3p2/2Pk4/1Q2pP2/1N5p/1pp1r1n1/3n2bq/3r4 w - - 0 1)
Heyl, Peter
Schach-Aktiv, 2001
#2
7 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Qxe5#
- 1...Rf3
- 2.Qd5#
- 2.Qxe5#
- 1...Re4
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bh3
- 2.Qd5#
- 1...Be4
- 2.Qxe5#
- 1...Bd5
- 2.Qxd5#
- 1...Bxc6+
- 2.Qxc6#
- 1...Sde4
- 2.Qxe5#
- 1...Sge4
- 2.Qd5#
- 1...e4
- 2.Qd5#
- 2.Qe5#
- 1...f6
- 2.Re6#
- 1...Rd3
- Tries
- 1.Kb6?
- threat
- 2.Qc5#
- 1...Sde4
- 2.Qxe5#
- 1...Sge4
- 2.Qd5#
- 1...Sc4+!
- threat
- 1.Sd3?
- threat
- 2.Qc5#
- 1...Bxc6+
- 2.Qxc6#
- 1...Rxd3
- 2.Qxe5#
- 1...Sde4
- 2.Qxe5#
- 1...Sge4!
- threat
- 1.Sd5?
- threat
- 2.Rd8#
- 1...Bxd5
- 2.Qb4#
- 1...e4!
- threat
- 1.Sa6?
- threat
- 2.Qc5#
- 1...Bxc6+
- 2.Qxc6#
- 1...Sde4
- 2.Qxe5#
- 1...Sge4!
- threat
- 1.Se6?
- threat
- 2.Qc5#
- 1...Bxc6+
- 2.Qxc6#
- 1...fxe6
- 2.Rxe6#
- 1...Sge4
- 2.Qd5#
- 1...Sde4!
- threat
- 1.Sg6?
- threat
- 2.Rd8#
- 1...Bxc6+
- 2.Qxc6#
- 1...fxg6
- 2.Re6#
- 1...Sxf5!
- threat
- 1.Qd3+?
- 1...Kc5
- 2.Sa6#
- 1...Bd5
- 2.Qxd5#
- 1...Rxd3!
- 1...Kc5
- 1.f6?
- threat
- 2.Rd8#
- 1...Bxc6+
- 2.Qxc6#
- 1...Bh3
- 2.Qd5#
- 1...Qh3!
- threat
- 1.Kb6?
- Keys
- 1.Sd7!
- threat
- 2.Qc5#
- 1...Bxc6+
- 2.Qxc6#
- 1...Sde4
- 2.Qxe5#
- 1...Sge4
- 2.Qd5#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD::QAB1(B),XP(j)
- R(g);N_PINP(D),S_CUTB(c)::QAR1(B)
- B(c);N_GUARD,N_PINP(D)::QAR1(B)
- B(c);S_CUTR(g)::QAB1(B),XP(j)
- B(c);N_GUARD::QAR1(B),XB(c)
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- S(b);N_PINP(D),S_CUTR(g)::QAB1(B),XP(j)
- S(h);N_PINP(D),S_CUTB(c)::QAR1(B)
- P(l);N_GUARD::R1(F)
- Tries
- Try
- K(E);N_SPINP(D),P-FLIGHT
- Threat
- QAB1(B)
- Vars
- S(b);S_CUTR(g)::QAB1(B),XP(j)
- S(h);S_CUTB(c)::QAR1(B)
- Refutation
- S(b);CHECK
- Try
- S(A);
- Threat
- QAB1(B)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- R(g);N_GUARD,XS(A)::QAB1(B),XP(j)
- S(b);N_PINP(D),S_CUTR(g)::QAB1(B),XP(j)
- Refutation
- S(h);N_PINP(D)
- Try
- S(A);N_SPINP(D)
- Threat
- R(F)
- Vars
- B(c);P_PINP(D),SBLOCK,XS(A)::QAB(B)
- Refutation
- P(j);
- Try
- S(A);
- Threat
- QAB1(B)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- S(b);N_PINP(D),S_CUTR(g)::QAB1(B),XP(j)
- Refutation
- S(h);N_PINP(D)
- Try
- S(G);
- Threat
- QAB1(B)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- P(l);OGATE,XS(G)::R1(F),XP(l)
- S(h);N_PINP(D),S_CUTB(c)::QAR1(B)
- Refutation
- S(b);N_PINP(D)
- Try
- S(G);
- Threat
- R(F)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- P(l);N_GUARD,XS(G)::R1(F)
- Refutation
- S(h);XP(C)
- Try
- Q(B);CHECK
- Vars
- K(k);S_FLIGHT::S(A)
- B(c);N_GUARD,P_SPINB(c)::QAR1(B),XB(c)
- Refutation
- R(g);XQ(B)
- Try
- P(C);
- Threat
- R(F)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- B(c);N_GUARD,N_PINP(D)::QAR1(B)
- Refutation
- Q(d);
- Try
- Actual
- S(G);
- Threat
- QAB1(B)
- Vars
- B(c);CHECK,OGATE,XP(D)::QAR1(B),XB(c)
- S(b);N_PINP(D),S_CUTR(g)::QAB1(B),XP(j)
- S(h);N_PINP(D),S_CUTB(c)::QAR1(B)
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).