MESON Chess Problem Database
Problem Display
PID: 23866 (2B2K2/2n1B2p/r1p5/5QRp/N1k4r/PN6/P2p1Rp1/2q2b2 w - - 0 1)
Kovacevic, Marjan
1st Prize, diagrammes, 1997
#2
10 + 11
| 145 | StrateGems | 1999 |
| 23 | Die Schwalbe | 2004 |
| 5417 | FIDE Album (1995-1997) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxa3
- 2.Qc2#
- 1...Qe1
- 2.Qc2#
- 1...Qc2
- 2.Qxc2#
- 1...Rh1
- 2.Rf4#
- 2.Qe4#
- 1...Rh2
- 2.Rf4#
- 2.Qe4#
- 1...Rh3
- 2.Rf4#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Rxf4#
- 1...Bd3
- 2.Qc5#
- 1...Sb5
- 2.Be6#
- 1...Sd5
- 2.Bxa6#
- 1...Se6+
- 2.Bxe6#
- 1...Sa8
- 2.Bxa6#
- 2.Be6#
- 1...Se8
- 2.Bxa6#
- 2.Be6#
- 1...Qxa3
- Tries
- 1.Rg4+?
- 1...hxg4
- 2.Rf4#
- 1...Rxg4!
- 1...hxg4
- 1.Qd3+?
- 1...Bxd3
- 2.Rc5#
- 1...Kxd3!
- 1...Bxd3
- 1.Qh3?
- threat
- 2.Rc5#
- 1...Rf4+
- 2.Rxf4#
- 1...Se6+
- 2.Bxe6#
- 1...Qxa3
- 2.Qc3#
- 1...Sd5
- 2.Bxa6#
- 1...c5
- 2.Rxc5#
- 1...Ra5
- 2.Sb6#
- 1...Rxh3!
- threat
- 1.Qd7?
- threat
- 2.Rc5#
- 1...Rf4+
- 2.Rxf4#
- 1...Qxa3
- 2.Sxd2#
- 1...Rd4
- 2.Qxd4#
- 1...Sd5
- 2.Bxa6#
- 1...Ra5
- 2.Sxa5#
- 1...c5
- 2.Rxc5#
- 1...Se6+!
- threat
- 1.Qxh7?
- threat
- 2.Rc5#
- 1...Rf4+
- 2.Rxf4#
- 1...Se6+
- 2.Bxe6#
- 1...Qxa3
- 2.Qc2#
- 1...Re4
- 2.Qxe4#
- 1...Sd5
- 2.Bxa6#
- 1...c5
- 2.Rxc5#
- 1...Ra5!
- threat
- 1.Qf3?
- threat
- 2.Rc5#
- 1...Se6+
- 2.Bxe6#
- 1...Qxa3
- 2.Qc3#
- 1...Sd5
- 2.Bxa6#
- 1...c5
- 2.Rxc5#
- 1...Ra5
- 2.Sb6#
- 1...Rf4+!
- threat
- 1.Qf4+?
- 1...Kd3
- 2.Bf5#
- 1...Rxf4+!
- 1...Kd3
- 1.Qd5+?
- 1...Sxd5
- 2.Bxa6#
- 1...cxd5!
- 1...Sxd5
- 1.Rg4+?
- Keys
- 1.Rg3!
- threat
- 2.Qc5#
- 1...Se6+
- 2.Bxe6#
- 1...Qxa3
- 2.Rc3#
- 1...Sd5
- 2.Bxa6#
- 1...c5
- 2.Qxc5#
- 1...Rf4
- 2.Rxf4#
- 1...Ra5
- 2.Sb6#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD,P_PINB(H),XP(C)::QAR2(F)
- Q(a);N_GUARD::QAR2(F)
- Q(a);N_GUARD::QAR2(F),XQ(a)
- R(f);N_GUARD::QAR2(F),XR(f)
- R(f);N_GUARD,P_PINQ(F)::R(B),XR(f)
- B(b);SBLOCK::QAR1(F)
- S(j);N_GUARD::B(I)
- S(j);N_GUARD::B(I),XR(h)
- S(j);CHECK,N_GUARD::B(I),XS(j)
- Tries
- Try
- R(G);CHECK
- Vars
- P(g);XR(G)::R(B)
- Refutation
- R(f);XR(G)
- Try
- Q(F);CHECK
- Vars
- B(b);SBLOCK,XQ(F)::R1(G)
- Refutation
- K(e);S_FLIGHT,XQ(F)
- Try
- Q(F);
- Threat
- R1(G)
- Vars
- R(f);CHECK,N_GUARD::R(B),XR(f)
- S(j);CHECK,N_GUARD::B(I),XS(j)
- Q(a);N_GUARD,P_PINB(H),XP(C)::QAR1(F)
- S(j);N_GUARD::B(I),XR(h)
- P(i);::R1(G),XP(i)
- R(h);N_GUARD::S(E)
- Refutation
- R(f);XQ(F)
- Try
- Q(F);
- Threat
- R1(G)
- Vars
- R(f);CHECK,N_GUARD::R(B),XR(f)
- Q(a);N_GUARD,P_PINB(H),XP(C)::S(D),XP(c)
- R(f);N_GUARD::QAR1(F),XR(f)
- S(j);N_GUARD::B(I),XR(h)
- R(h);N_GUARD::S(D),XR(h)
- P(i);::R1(G),XP(i)
- Refutation
- S(j);CHECK
- Try
- Q(F);XP(k)
- Threat
- R1(G)
- Vars
- R(f);CHECK,N_GUARD::R(B),XR(f)
- S(j);CHECK,N_GUARD::B(I),XS(j)
- Q(a);N_GUARD,P_PINB(H),XP(C)::QAR2(F)
- R(f);N_GUARD::QAR2(F),XR(f)
- S(j);N_GUARD::B(I),XR(h)
- P(i);::R1(G),XP(i)
- Refutation
- R(h);
- Try
- Q(F);
- Threat
- R1(G)
- Vars
- S(j);CHECK,N_GUARD::B(I),XS(j)
- Q(a);N_GUARD,P_PINB(H),XP(C)::QAR1(F)
- S(j);N_GUARD::B(I),XR(h)
- P(i);::R1(G),XP(i)
- R(h);N_GUARD::S(E)
- Refutation
- R(f);CHECK
- Try
- Q(F);CHECK
- Vars
- K(e);S_FLIGHT::B(I)
- Refutation
- R(f);CHECK,XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(j);XQ(F)::B(I),XR(h)
- Refutation
- P(i);XQ(F)
- Try
- Actual
- R(G);
- Threat
- QAR1(F)
- Vars
- S(j);CHECK,N_GUARD::B(I),XS(j)
- Q(a);N_GUARD,P_PINB(H),XP(C)::R1(G)
- S(j);N_GUARD::B(I),XR(h)
- P(i);::QAR1(F),XP(i)
- R(f);N_GUARD,P_PINQ(F)::R(B),XR(f)
- R(h);N_GUARD::S(E)
Developed and maintained by Brian Stephenson.
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