MESON Chess Problem Database
Problem Display
PID: 259126 (4b2r/1NR5/3bRN2/1p1P3Q/3k3r/1P1B4/KPPp1P2/8 w - - 0 1)
Razu, Ionel
1st HM., Buletin Problemistic, 1989
#2
12 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Re4#
- 1...Rh2
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...R4xh5
- 2.Re4#
- 1...Ba3
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Bf4
- 2.Re4#
- 1...Bc5
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Be7
- 2.Qe5#
- 1...Bf8
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...Rh1
- Tries
- 1.Be2?
- threat
- 2.c3#
- 1...Rh3
- 2.Re4#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...d1S!
- threat
- 1.Bc4?
- threat
- 2.c3#
- 1...bxc4
- 2.Rxc4#
- 1...d1S
- 2.Qxd1#
- 1...Rh3
- 2.Re4#
- 1...Bb4
- 2.Qe5#
- 1...b4!
- threat
- 1.Be4?
- threat
- 2.c3#
- 1...Rxe4
- 2.Rxe4#
- 1...d1S
- 2.Qxd1#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...Rh3!
- threat
- 1.Bxb5?
- threat
- 2.Rc4#
- 2.c3#
- 1...Bxc7
- 2.c3#
- 1...d1S
- 2.Rc4#
- 2.Qxd1#
- 1...Rh3
- 2.Re4#
- 2.Rc4#
- 1...Bb4
- 2.Rc4#
- 2.Qe5#
- 1...Bc5
- 2.Qe5#
- 2.c3#
- 1...Bc6
- 2.c3#
- 1...Bxb5!
- threat
- 1.Bf5?
- threat
- 2.c3#
- 1...d1S
- 2.Qxd1#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...b4
- 2.Rc4#
- 1...Bb4!
- threat
- 1.Bg6?
- threat
- 2.c3#
- 1...d1S
- 2.Qxd1#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...Bxg6!
- threat
- 1.Re3?
- threat
- 2.c3#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...d1S!
- threat
- 1.Qe2?
- threat
- 2.Qe3#
- 2.c3#
- 1...Rh3
- 2.Re4#
- 2.Qe4#
- 2.c3#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 2.c3#
- 1...Bb4
- 2.Qe3#
- 2.Qe5#
- 1...Bf4
- 2.Re4#
- 2.Qe4#
- 2.c3#
- 1...b4
- 2.Rc4#
- 2.Qe3#
- 1...d1S!
- threat
- 1.Qf3?
- threat
- 2.Qe3#
- 2.c3#
- 1...Rh3
- 2.Re4#
- 2.Qe4#
- 2.c3#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 2.c3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Re4#
- 2.Qe4#
- 2.c3#
- 1...b4
- 2.Rc4#
- 2.Qe3#
- 1...d1S!
- threat
- 1.Qg4+?
- 1...Bf4
- 2.Re4#
- 1...Rxg4!
- 1...Bf4
- 1.Qxh4+?
- 1...Bf4
- 2.Re4#
- 2.Qxf4#
- 1...Rxh4!
- 1...Bf4
- 1.Qf5?
- threat
- 2.c3#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- 1...d1S!
- threat
- 1.Be2?
- Keys
- 1.Bf1!
- threat
- 2.c3#
- 1...d1S
- 2.Qxd1#
- 1...Rh3
- 2.Re4#
- 1...Bb4
- 2.Qe5#
- 1...b4
- 2.Rc4#
- threat
- 1.Bf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(c);N_GUARD::R1(I)
- R(c);N_GUARD::R1(I),XR(c)
- R(c);N_GUARD,XQ(H)::R1(I)
- B(e);N_GUARD::QAB1(H)
- B(e);S_CUTR(c)::R1(I)
- B(e);N_GUARD::QAB1(H),XB(e)
- P(d);N_GUARD::R1(L)
- Tries
- Try
- B(F);
- Threat
- P(C)
- Vars
- R(c);N_GUARD::R1(I)
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
- Refutation
- P(a);
- Try
- B(F);
- Threat
- P(C)
- Vars
- P(d);OGATE,XB(F)::R1(L),XP(d)
- P(a);OGATEB::QAR(H),XS(a)
- R(c);N_GUARD::R1(I)
- B(e);N_GUARD::QAB1(H)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- P(C)
- Vars
- R(c);OGATE,XB(F)::R1(I),XR(c)
- P(a);OGATEB::QAR(H),XS(a)
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
- Refutation
- R(c);
- Try
- B(F);XP(d)
- Threat
- DUALS(2)
- Vars
- B(e);XR(L)::P(C)
- B(f);::P(C)
- Refutation
- B(f);XB(F)
- Try
- B(F);
- Threat
- P(C)
- Vars
- P(a);OGATEB::QAR(H),XS(a)
- R(c);N_GUARD::R1(I)
- R(c);N_GUARD::R1(I),XR(c)
- P(d);N_GUARD::R1(L)
- Refutation
- B(e);
- Try
- B(F);
- Threat
- P(C)
- Vars
- P(a);OGATEB::QAR(H),XS(a)
- R(c);N_GUARD::R1(I)
- R(c);N_GUARD::R1(I),XR(c)
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
- Refutation
- B(f);XB(F)
- Try
- R(I);
- Threat
- P(C)
- Vars
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
- Refutation
- P(a);
- Try
- Q(H);
- Threat
- DUALS(2)
- Refutation
- P(a);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(H)
- Refutation
- P(a);
- Try
- Q(H);CHECK
- Vars
- B(e);P_SPINB(e)::R1(I)
- Refutation
- R(c);XQ(H)
- Try
- Q(H);CHECK,XR(c)
- Refutation
- R(g);XQ(H)
- Try
- Q(H);
- Threat
- P(C)
- Vars
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
- Refutation
- P(a);
- Try
- Actual
- B(F);
- Threat
- P(C)
- Vars
- P(a);OGATEB::QAR(H),XS(a)
- R(c);N_GUARD::R1(I)
- B(e);N_GUARD::QAB1(H)
- P(d);N_GUARD::R1(L)
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