MESON Chess Problem Database
Problem Display
PID: 62534 (3K4/B3N3/3k4/3Pp3/5P2/2p3PR/RbP5/rQ5r w - - 0 1)
Bourd, Evgeny
Problemesis, 2003
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Raxb1
- 2.Ra6#
- 1...Rhxb1
- 2.Rh6#
- 1...Rc1
- 2.Rh6#
- 1...Rd1
- 2.Rh6#
- 1...Re1
- 2.Rh6#
- 1...Rf1
- 2.Rh6#
- 1...Rg1
- 2.Rh6#
- 1...Bc1
- 2.Qb4#
- 2.Qb6#
- 2.Qb8#
- 1...Ba3
- 2.Qb6#
- 2.Qb8#
- 1...Raxb1
- Tries
- 1.Rxa1?
- threat
- 2.Ra6#
- 1...Bxa1
- 2.Qb4#
- 2.Qb6#
- 2.Qb8#
- 1...Ba3
- 2.Qb6#
- 2.Qb8#
- 1...exf4!
- threat
- 1.Ra5?
- threat
- 2.Sf5#
- 2.Sc8#
- 2.Bc5#
- 2.Bb8#
- 1...exf4
- 2.Bb8#
- 1...Ba3
- 2.Sf5#
- 2.Sc8#
- 2.Bb8#
- 2.Ra6#
- 2.Qb6#
- 2.Qb8#
- 1...Rxa5!
- threat
- 1.Rh5?
- threat
- 2.fxe5#
- 1...exf4
- 2.Sc8#
- 1...Re1
- 2.Rh6#
- 1...e4
- 2.Sc8#
- 1...Rxh5!
- threat
- 1.Qd1?
- threat
- 2.Sf5#
- 2.Sc8#
- 1...Raxd1
- 2.Ra6#
- 1...Rhxd1
- 2.Rh6#
- 1...exf4!
- threat
- 1.Qe1?
- threat
- 2.Qxe5#
- 2.fxe5#
- 1...Raxe1
- 2.Ra6#
- 1...Rhxe1
- 2.Rh6#
- 1...exf4
- 2.Qe6#
- 1...e4!
- threat
- 1.Qf1?
- threat
- 2.Qa6#
- 1...Raxf1
- 2.Ra6#
- 1...Rhxf1
- 2.Rh6#
- 1...exf4
- 2.Qxf4#
- 1...Rxa2!
- threat
- 1.Qxh1?
- threat
- 2.Sf5#
- 2.Sc8#
- 2.Rh6#
- 1...Rxh1
- 2.Ra6#
- 1...e4
- 2.Rh6#
- 1...exf4!
- threat
- 1.Qxb2?
- threat
- 2.Qa3#
- 2.Qb4#
- 2.Qb6#
- 2.Qb8#
- 1...Rxa2
- 2.Qb4#
- 2.Qb6#
- 2.Qb8#
- 1...exf4
- 2.Qb8#
- 1...Rab1
- 2.Ra6#
- 1...Rhb1
- 2.Rh6#
- 1...cxb2!
- threat
- 1.Rxa1?
- Keys
- 1.Qg1!
- threat
- 2.Bc5#
- 2.Bb8#
- 2.Qc5#
- 2.Qb6#
- 1...Raxg1
- 2.Ra6#
- 1...Rhxg1
- 2.Rh6#
- 1...exf4
- 2.Bb8#
- 1...Ba3
- 2.Bb8#
- 2.Qb6#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD,XQ(A)::R(B)
- R(b);N_GUARD,XQ(A)::R(E)
- R(b);N_GUARD::R(E)
- Tries
- Try
- R(B);XR(a)
- Threat
- R(B)
- Refutation
- P(e);XP(F)
- Try
- R(B);
- Threat
- DUALS(4)
- Vars
- P(e);XP(F)::B(H)
- Refutation
- R(a);XR(B)
- Try
- R(E);
- Threat
- P(F),XP(e)
- Vars
- P(e);XP(F)::S(I)
- R(b);N_GUARD::R(E)
- P(e);::S(I)
- Refutation
- R(b);XR(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XQ(A)::R(B)
- R(b);N_GUARD,XQ(A)::R(E)
- Refutation
- P(e);XP(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XQ(A)::R(B)
- R(b);N_GUARD,XQ(A)::R(E)
- P(e);OGATE,XP(F)::QAR1(A)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- R(a);N_GUARD,XQ(A)::R(B)
- R(b);N_GUARD,XQ(A)::R(E)
- P(e);OGATE,XP(F)::QAB(A),XP(e)
- Refutation
- R(a);XR(B)
- Try
- Q(A);XR(b)
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD,XQ(A)::R(B)
- P(e);::R(E)
- Refutation
- P(e);XP(F)
- Try
- Q(A);XB(c)
- Threat
- DUALS(4)
- Vars
- P(e);XP(F)::QAB(A)
- R(a);N_GUARD::R(B)
- R(b);N_GUARD::R(E)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD,XQ(A)::R(B)
- R(b);N_GUARD,XQ(A)::R(E)
- P(e);XP(F)::B(H)
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