MESON Chess Problem Database
Problem Display
PID: 75350 (1n3B2/1p4K1/4pN2/2pBk1p1/p1PR2P1/r7/3Q4/1b2NR2 w - - 0 1)
Alaikov, Venelin
1st HM., Schach-Aktiv, 1994
#2
10 + 9
| 133 | The Problemist Supplement | 2007 |
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sf3#
- 1...Ra2
- 2.Sf3#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Sxf3#
- 1...Ba2
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Be4
- 2.Rxe4#
- 1...Sa6
- 2.Sd7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Ra1
- Tries
- 1.Sd3+?
- 1...Kxd4
- 2.Bxc5#
- 1...Rxd3
- 2.Re4#
- 1...Bxd3!
- 1...Kxd4
- 1.Se8?
- threat
- 2.Bd6#
- 1...Rd3
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...exd5!
- threat
- 1.Bh1?
- threat
- 2.Bd6#
- 1...Rd3
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...cxd4!
- threat
- 1.Bg2?
- threat
- 2.Bd6#
- 1...Rd3
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...cxd4!
- threat
- 1.Bf3?
- threat
- 2.Bd6#
- 1...cxd4
- 2.Qh2#
- 1...Rd3
- 2.Re4#
- 1...Bd3!
- threat
- 1.Be4?
- threat
- 2.Bd6#
- 1...cxd4
- 2.Qxg5#
- 1...Bd3
- 2.Sf3#
- 1...Rd3!
- threat
- 1.Bc6?
- threat
- 2.Bd6#
- 1...Rd3
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...cxd4!
- threat
- 1.Rd3?
- threat
- 2.Sf3#
- 2.Qe3#
- 2.Qxg5#
- 2.Qe2#
- 2.Qh2#
- 1...Bxd3
- 2.Sf3#
- 1...exd5
- 2.Qe3#
- 2.Qe2#
- 1...Ra2
- 2.Sf3#
- 2.Qc3#
- 2.Qe3#
- 2.Qxg5#
- 1...Rxd3!
- threat
- 1.Qe3+?
- 1...Be4
- 2.Sf3#
- 2.Rxe4#
- 2.Qxe4#
- 1...Rxe3!
- 1...Be4
- 1.Qxg5+?
- 1...Bf5
- 2.Re4#
- 2.Qf4#
- 1...Kxd4!
- 1...Bf5
- 1.Qe2+?
- 1...Re3
- 2.Sf3#
- 1...Be4
- 2.Rxe4#
- 2.Qxe4#
- 1...Kxd4!
- 1...Re3
- 1.Qh2+?
- 1...Rg3
- 2.Sf3#
- 1...Kxd4!
- 1...Rg3
- 1.Sd3+?
- Keys
- 1.Bxb7!
- threat
- 2.Bd6#
- 1...cxd4
- 2.Qa5#
- 1...Rd3
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- threat
- 1.Bxb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::S(A)
- R(b);S_CUTB(a)::R1(E)
- R(b);N_GUARD::S(A),XR(b)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(b)::S(A)
- B(a);N_GUARD::R1(E),XB(a)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- Tries
- Try
- S(A);CHECK
- Vars
- K(e);S_FLIGHT,XR(E)::B(J),XP(d)
- R(b);XS(A)::R1(E)
- Refutation
- B(a);XS(A)
- Try
- S(H);
- Threat
- B(J)
- Vars
- R(b);S_CUTB(a)::R1(E)
- B(a);S_CUTR(b)::S(A)
- Refutation
- P(g);XB(G)
- Try
- B(G);
- Threat
- B(J)
- Vars
- R(b);S_CUTB(a)::R1(E)
- B(a);S_CUTR(b)::S(A)
- Refutation
- P(d);XR(E)
- Try
- B(G);
- Threat
- B(J)
- Vars
- R(b);S_CUTB(a)::R1(E)
- B(a);S_CUTR(b)::S(A)
- Refutation
- P(d);XR(E)
- Try
- B(G);
- Threat
- B(J)
- Vars
- P(d);SBLOCK,XR(E)::QAB(C)
- R(b);S_CUTB(a)::R1(E)
- Refutation
- B(a);
- Try
- B(G);
- Threat
- B(J)
- Vars
- P(d);SBLOCK,XR(E)::QAR2(C),XP(f)
- B(a);S_CUTR(b)::S(A)
- Refutation
- R(b);
- Try
- B(G);
- Threat
- B(J)
- Vars
- R(b);S_CUTB(a)::R1(E)
- B(a);S_CUTR(b)::S(A)
- Refutation
- P(d);XR(E)
- Try
- R(E);
- Threat
- DUALS(5)
- Vars
- B(a);XR(E)::S(A)
- Refutation
- R(b);XR(E)
- Try
- Q(C);CHECK
- Refutation
- R(b);XQ(C)
- Try
- Q(C);CHECK,XP(f)
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- Q(C);CHECK
- Vars
- R(b);P_SPINR(b)::S(A)
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- Q(C);CHECK
- Vars
- R(b);P_SPINR(b)::S(A)
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- Actual
- B(G);XP(h)
- Threat
- B(J)
- Vars
- P(d);OGATEB,SBLOCK,XR(E)::QAR(C)
- R(b);S_CUTB(a)::R1(E)
- B(a);S_CUTR(b)::S(A)
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