MESON Chess Problem Database
Problem Display
PID: 188347 (1n4B1/2b4K/3Q3p/5Rpr/rp1p1nR1/2pk2N1/N1p5/2B5 w - - 0 1)
Khramtsevich, Mikhail Nikolaevich
1st HM., Hlas l'udu, 1990
#2
8 + 12
| 702 | Phenix | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sxb4#
- 1...Ra5
- 2.Sxb4#
- 1...Ra6
- 2.Sxb4#
- 1...Ra7
- 2.Sxb4#
- 1...Ra8
- 2.Sxb4#
- 1...Se2
- 2.Rf3#
- 1...Sg2
- 2.Rxd4#
- 2.Qxd4#
- 1...Sh3
- 2.Rxd4#
- 2.Rf3#
- 2.Qxd4#
- 1...Sg6
- 2.Rxd4#
- 2.Rf3#
- 2.Qxd4#
- 1...Ra3
- Tries
- 1.Rgxf4?
- threat
- 2.Rf3#
- 2.Rxd4#
- 2.Qxd4#
- 1...Bxd6
- 2.Rf3#
- 1...Rh4
- 2.Rf3#
- 2.Qxd4#
- 1...Bb6
- 2.Rf3#
- 1...Sc6
- 2.Rf3#
- 1...b3
- 2.Rf3#
- 1...g4
- 2.Rxd4#
- 2.Qxd4#
- 1...gxf4!
- threat
- 1.Rfxf4?
- threat
- 2.Rf3#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qg6#
- 1...Bxd6
- 2.Rf3#
- 2.Rxd4#
- 1...Ra5
- 2.Sxb4#
- 2.Rf3#
- 2.Rxd4#
- 2.Qxd4#
- 1...Ra6
- 2.Sxb4#
- 2.Rf3#
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb6
- 2.Rf3#
- 2.Qg6#
- 1...Sc6
- 2.Rf3#
- 2.Qg6#
- 1...b3
- 2.Rf3#
- 2.Qg6#
- 1...gxf4!
- threat
- 1.Rc5?
- threat
- 2.Bc4#
- 1...Sd5
- 2.Qg6#
- 1...b3
- 2.Rxc3#
- 1...Se6!
- threat
- 1.Qc5?
- threat
- 2.Bc4#
- 2.Qc4#
- 2.Qb5#
- 1...Ra5
- 2.Sxb4#
- 2.Bc4#
- 2.Qc4#
- 1...Sd5
- 2.Rxd4#
- 2.Qxd4#
- 2.Qb5#
- 1...Se6
- 2.Rf3#
- 2.Qb5#
- 1...b3!
- threat
- 1.Qe5?
- threat
- 2.Qe4#
- 2.Qb5#
- 1...Sd5
- 2.Rxd4#
- 2.Qxd4#
- 2.Qe2#
- 1...Se6
- 2.Qe2#
- 2.Qb5#
- 1...Ra5
- 2.Sxb4#
- 2.Qe4#
- 1...b3
- 2.Qe4#
- 1...Bxe5!
- threat
- 1.Qd5?
- threat
- 2.Qf3#
- 2.Qc4#
- 2.Qe4#
- 2.Qb5#
- 1...Ra5
- 2.Sxb4#
- 2.Qf3#
- 2.Qc4#
- 2.Qe4#
- 1...Sg2
- 2.Rxd4#
- 2.Qc4#
- 2.Qe4#
- 2.Qxd4#
- 2.Qb5#
- 1...Se6
- 2.Rf3#
- 2.Qb5#
- 1...b3
- 2.Qf3#
- 2.Qe4#
- 1...Sxd5!
- threat
- 1.Qa6+?
- 1...Rxa6
- 2.Sxb4#
- 1...Sxa6!
- 1...Rxa6
- 1.Qc6?
- threat
- 2.Bc4#
- 2.Qf3#
- 2.Qe4#
- 2.Qb5#
- 2.Qc4#
- 1...b3
- 2.Qf3#
- 2.Qe4#
- 1...Ra5
- 2.Sxb4#
- 2.Bc4#
- 2.Qf3#
- 2.Qe4#
- 2.Qc4#
- 1...Sg2
- 2.Bc4#
- 2.Qe4#
- 2.Qb5#
- 2.Qc4#
- 1...Sd5
- 2.Qb5#
- 1...Se6
- 2.Rf3#
- 2.Qb5#
- 1...Sxc6!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qe4#
- 1...Sd5
- 2.Qe2#
- 1...b3
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 1...Sxe6!
- threat
- 1.Qg6?
- threat
- 2.Rfxf4#
- 1...Sxg6
- 2.Rf3#
- 1...Se6
- 2.Rc5#
- 1...Ra5
- 2.Sxb4#
- 1...Ra6
- 2.Sxb4#
- 1...Se2
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rff4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rfxg5#
- 2.Rf6#
- 2.Rf8#
- 1...Sg2
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rff4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rfxg5#
- 2.Rf6#
- 2.Rf8#
- 1...Sh3
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rff4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rfxg5#
- 2.Rf6#
- 2.Rf8#
- 1...Sd5!
- threat
- 1.Rgxf4?
- Keys
- 1.Qxb4!
- threat
- 2.Bc4#
- 1...Rxb4
- 2.Sxb4#
- 1...Sd5
- 2.Rxd4#
- 1...Se6
- 2.Rf3#
- threat
- 1.Qxb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::S(B),XP(e)
- S(g);OGATE::R(E)
- Tries
- Try
- R(D);XS(g)
- Threat
- DUALS(3)
- Vars
- B(k);N_SPINP(f),XQ(F)::R(D)
- B(k);::R(D)
- S(l);::R(D)
- P(e);::R(D)
- Refutation
- P(h);XR(D)
- Try
- R(E);XS(g)
- Threat
- DUALS(4)
- Refutation
- P(h);XR(E)
- Try
- R(E);
- Threat
- B(H)
- Vars
- S(g);N_GUARD,N_SPINP(f)::QAB(F)
- P(e);N_GUARD::R1(E),XP(b)
- Refutation
- S(g);
- Try
- Q(F);N_PINP(f)
- Threat
- DUALS(3)
- Refutation
- P(e);
- Try
- Q(F);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(F)
- Refutation
- B(k);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(4)
- Refutation
- S(g);N_SPINP(f),XQ(F)
- Try
- Q(F);CHECK,N_PINP(f)
- Vars
- R(d);XQ(F)::S(B),XP(e)
- Refutation
- S(l);XQ(F)
- Try
- Q(F);N_PINP(f)
- Threat
- DUALS(5)
- Vars
- S(g);::QAB(F)
- Refutation
- S(l);XQ(F)
- Try
- Q(F);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD::QAB1(F)
- P(e);::QAB1(F)
- B(k);::QAB1(F)
- Refutation
- S(g);XQ(F)
- Try
- Q(F);N_PINP(f)
- Threat
- QAB(F)+R(E),XS(g)
- Vars
- S(g);OGATE,XQ(F)::R(E)
- S(g);N_GUARD::QAB(F)+R(E)
- R(d);N_GUARD::S(B),XP(e)
- Refutation
- S(g);
- Try
- Actual
- Q(F);N_PINP(f),XP(e)
- Threat
- B(H)
- Vars
- R(d);XQ(F)::S(B),XR(d)
- S(g);OGATE::R1(D),XP(f)
- S(g);OGATE::R(E)
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