MESON Chess Problem Database
Problem Display
PID: 242282 (4r3/B4N2/5Kp1/3kPBR1/4pp2/n5r1/8/2R2Q1n w - - 0 1)
Kisis, Imants J
Sachove umeni (Ceskoslovensky sach), 1992
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Qd1#
- 1...Rxg5
- 2.Qd1#
- 1...Rxe5
- 2.Be6#
- 1...Re6+
- 2.Bxe6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Rf8
- 2.Be6#
- 1...Rg8
- 2.Be6#
- 1...Rh8
- 2.Be6#
- 1...Sb1
- 2.Qc4#
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 1...Sb5
- 2.Qc4#
- 2.Qxb5#
- 1...e3
- 2.Qd3#
- 2.Qd1#
- 1...f3
- 2.Qd1#
- 1...Rg4
- Tries
- 1.Bg4?
- threat
- 2.e6#
- 1...Re6+
- 2.Bxe6#
- 1...Rxg4
- 2.Qd1#
- 1...Rxe5
- 2.Be6#
- 2.Rxe5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 1...e3
- 2.Qd3#
- 1...Rc3!
- threat
- 1.Be3?
- threat
- 2.Rc5#
- 2.Qd1#
- 1...Re6+
- 2.Bxe6#
- 1...fxe3
- 2.Qd1#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 1...Rg1
- 2.Rc5#
- 1...Rg2
- 2.Rc5#
- 1...Rc8
- 2.Be6#
- 2.Qd1#
- 1...Sf2
- 2.Rc5#
- 1...Sb1
- 2.Rc5#
- 2.Qc4#
- 2.Qb5#
- 1...Sb5
- 2.Rc5#
- 2.Qc4#
- 2.Qxb5#
- 1...Rxe3!
- threat
- 1.Rxg3?
- threat
- 2.Qd1#
- 1...Re6+
- 2.Bxe6#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 1...Sb1
- 2.Qc4#
- 2.Qb5#
- 1...Sb5
- 2.Qc4#
- 2.Qxb5#
- 1...Sf2!
- threat
- 1.Qa6?
- threat
- 2.Qb7#
- 2.Qc6#
- 2.Qd6#
- 1...Re6+
- 2.Bxe6#
- 2.Qxe6#
- 1...Rb3
- 2.Qc6#
- 2.Qd6#
- 1...Re7
- 2.Qc6#
- 2.Qd6#
- 1...Rb8
- 2.Be6#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Rc8
- 2.Be6#
- 2.Qd6#
- 2.Qe6#
- 1...Rd8
- 2.Be6#
- 2.Qb7#
- 2.Qc6#
- 2.Qe6#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 2.Qb5#
- 2.Qb7#
- 1...Sb5
- 2.Qxb5#
- 2.Qb7#
- 2.Qc6#
- 1...Rc3!
- threat
- 1.e6?
- threat
- 2.Bg4#
- 1...Rxe6+
- 2.Bxe6#
- 1...Rxg5
- 2.Qd1#
- 1...gxf5
- 2.Rxf5#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 1...Rg4
- 2.Bxg4#
- 2.Qd1#
- 1...e3
- 2.Qd3#
- 2.Qd1#
- 1...Rc3!
- threat
- 1.Bg4?
- Keys
- 1.Bd7!
- threat
- 2.Bc6#
- 1...Re6+
- 2.Bxe6#
- 1...Rc3
- 2.e6#
- 1...Rc8
- 2.Be6#
- 1...Sc2
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- threat
- 1.Bd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(c);N_GUARD::QAR(B)
- R(c);N_GUARD,XR(E)::QAR(B)
- R(h);N_GUARD,XP(C)::B(D)
- R(h);CHECK,N_GUARD::B(D),XR(h)
- R(h);N_GUARD::B(D)
- R(h);N_GUARD,P_PINS(H)::B(D)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- P(e);S_CUTR(c)::QAR(B)
- Tries
- Try
- B(D);
- Threat
- R(E)+P(C)
- Vars
- R(h);CHECK,N_GUARD::B(D),XR(h)
- R(c);N_GUARD,XB(D)::QAR(B)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- P(d);N_GUARD,S_CUTR(c)::QAR2(B)
- Refutation
- R(c);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::B(D),XR(h)
- P(e);XB(G)::QAR(B)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- R(c);::R1(A)
- S(a);::R1(A)
- Refutation
- R(c);XB(G)
- Try
- R(E);XR(c)
- Threat
- QAR(B)
- Vars
- R(h);CHECK,N_GUARD::B(D),XR(h)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD::QAR2(B)
- Refutation
- R(c);
- Try
- P(C);
- Threat
- R(E)+B(D)
- Vars
- R(h);CHECK,OGATE,XP(C)::R(E)+B(D),DCHECK,XR(h)
- R(c);N_GUARD,XR(E)::QAR(B)
- P(g);OGATE,P_SPINP(g),XB(D)::R(E),XP(g)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- R(c);
- Try
- Actual
- B(D);
- Threat
- B(D)
- Vars
- R(h);CHECK,N_GUARD::B(D),XR(h)
- R(c);N_GUARD::R(E)+P(C)
- R(h);N_GUARD::B(D)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(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).