MESON Chess Problem Database
Problem Display
PID: 197032 (8/4Kp2/8/p4B1Q/Rr3k2/2Bp1p2/5pr1/5N1n w - - 0 1)
Dyummel, Fridrik
3rd Prize, Uzbek SSR-30 JT, 1955
#2
6 + 9
| 133 | The Problemist Supplement | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Qg4#
- 1...Rg4
- 2.Qxg4#
- 1...Rc4
- 2.Rxc4#
- 1...Re4+
- 2.Rxe4#
- 1...Sg3
- 2.Qg4#
- 1...Rh2
- Tries
- 1.Kf6?
- threat
- 2.Bd2#
- 2.Be5#
- 1...Rd4
- 2.Bd2#
- 2.Rxd4#
- 1...d2
- 2.Bxd2#
- 2.Be5#
- 1...Rg6+!
- threat
- 1.Bxd3?
- threat
- 2.Bd2#
- 2.Be5#
- 2.Qf5#
- 1...Re4+
- 2.Be5#
- 2.Rxe4#
- 1...Rd4
- 2.Bd2#
- 2.Rxd4#
- 2.Qf5#
- 1...Sg3
- 2.Bd2#
- 2.Be5#
- 2.Qh4#
- 1...f5
- 2.Qxf5#
- 1...f6
- 2.Bd2#
- 2.Qf5#
- 1...Rg5!
- threat
- 1.Bh3?
- threat
- 2.Qe5#
- 2.Qf5#
- 1...Re4+
- 2.Be5#
- 2.Qe5#
- 1...Ke4
- 2.Qe5#
- 2.Qf5#
- 1...Rg4
- 2.Qxg4#
- 2.Qe5#
- 1...Rd4
- 2.Rxd4#
- 2.Qf5#
- 1...Sg3
- 2.Qg4#
- 2.Qh4#
- 2.Qe5#
- 1...f5
- 2.Qxf5#
- 1...f6
- 2.Qf5#
- 1...Rg5!
- threat
- 1.Bg4?
- threat
- 2.Qf5#
- 1...Re4+
- 2.Be5#
- 1...Ke4
- 2.Qe5#
- 2.Qf5#
- 1...Rxg4
- 2.Qe5#
- 1...f5
- 2.Qxf5#
- 1...Sg3!
- threat
- 1.Bd7?
- threat
- 2.Qe5#
- 2.Qf5#
- 1...Re4+
- 2.Be5#
- 2.Qe5#
- 1...Ke4
- 2.Qe5#
- 2.Qf5#
- 1...Rd4
- 2.Rxd4#
- 2.Qf5#
- 1...Sg3
- 2.Qg4#
- 2.Qh4#
- 2.Qe5#
- 1...f5
- 2.Qxf5#
- 1...f6
- 2.Qf5#
- 1...Rg5!
- threat
- 1.Bc8?
- threat
- 2.Qe5#
- 2.Qf5#
- 1...Re4+
- 2.Be5#
- 2.Qe5#
- 1...Ke4
- 2.Qe5#
- 2.Qf5#
- 1...Rd4
- 2.Rxd4#
- 2.Qf5#
- 1...Sg3
- 2.Qg4#
- 2.Qh4#
- 2.Qe5#
- 1...f5
- 2.Qxf5#
- 1...f6
- 2.Qf5#
- 1...Rg5!
- threat
- 1.Qh4+?
- 1...Rg4
- 2.Qxg4#
- 1...Kxf5!
- 1...Rg4
- 1.Kf6?
- Keys
- 1.Be4!
- threat
- 2.Qf5#
- 1...Rxe4+
- 2.Be5#
- 1...Rb7+
- 2.Bxb7#
- 1...Kxe4
- 2.Qe5#
- 1...Rg5
- 2.Qxf3#
- 1...Rb5
- 2.Bd2#
- 1...Sg3
- 2.Qh4#
- 1...f5
- 2.Qxf5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD::QAR1(E)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(f);OGATE::R(C),XR(f)
- R(f);CHECK,OGATE::R1(C),XR(f)
- S(a);S_CUTR(c)::QAR1(E)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(2)
- Refutation
- R(c);CHECK
- Try
- B(D);XP(d)
- Threat
- DUALS(3)
- Vars
- P(i);::QAR1(E),XP(i)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(E),XP(i)
- P(i);::QAR1(E)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- R(f);CHECK::B(B)
- R(c);SBLOCK,XB(D)::QAB1(E)
- P(i);::QAR1(E),XP(i)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(E),XP(i)
- P(i);::QAR1(E)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(E),XP(i)
- P(i);::QAR1(E)
- Refutation
- R(c);
- Try
- Q(E);CHECK
- Vars
- R(c);N_GUARD::QAR1(E),XR(c)
- Refutation
- K(g);N_SPINR(f),P-FLIGHT,XB(D)
- Try
- Actual
- B(D);N_PINR(f)
- Threat
- QAR1(E)
- Vars
- R(f);CHECK,P_SPINR(f),XB(D)::B(B)
- R(f);CHECK,OGATEB::R(C)+B(D),XR(f)
- K(g);P-FLIGHT,P_SPINR(f),XB(D)::QAR1(E)
- R(c);SBLOCK::QAR1(E),XP(e)
- R(f);::B(B)
- S(a);S_CUTR(c)::QAR2(E)
- P(i);::QAR1(E),XP(i)
Developed and maintained by Brian Stephenson.
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