MESON Chess Problem Database
Problem Display
PID: 137535 (3n4/2QKpN2/p7/2Bkp1b1/1pp3R1/r4P2/2N5/1qn1rb2 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Mat Plus, 1996
#2
7 + 13
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sxb4#
- 1...Qa1
- 2.Sxb4#
- 1...Rd1
- 2.Qxe5#
- 1...Re4
- 2.fxe4#
- 1...Be2
- 2.Qxe5#
- 1...Be3
- 2.Qxe5#
- 1...Se2
- 2.Qxe5#
- 1...Sb3
- 2.Sxb4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Sxf7
- 2.Qc6#
- 1...b3
- 2.Sb4#
- 1...e4
- 2.Qe5#
- 1...e6
- 2.Qd6#
- 1...Qa2
- Tries
- 1.Bg1?
- threat
- 2.Qc5#
- 1...Rae3
- 2.Qa5#
- 1...Ra5
- 2.Qxa5#
- 1...Be3
- 2.Qxe5#
- 1...Sb3
- 2.Sxb4#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Ree3!
- threat
- 1.Bf2?
- threat
- 2.Qc5#
- 1...Rae3
- 2.Qa5#
- 1...Ra5
- 2.Qxa5#
- 1...Be3
- 2.Qxe5#
- 1...Sb3
- 2.Sxb4#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Ree3!
- threat
- 1.Be3?
- threat
- 2.Qxe5#
- 2.Qc5#
- 1...Raxe3
- 2.Qa5#
- 1...Bxe3
- 2.Qxe5#
- 1...Sxf7
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 1...Qa1
- 2.Sxb4#
- 2.Qc5#
- 1...Qb2
- 2.Qc5#
- 1...Ra5
- 2.Qxa5#
- 2.Qxe5#
- 1...Bf4
- 2.Qc5#
- 1...Bf6
- 2.Qc5#
- 1...Sb3
- 2.Sxb4#
- 2.Qxe5#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qxe5#
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qxe5#
- 2.Qc6#
- 2.Qxb7#
- 1...e4
- 2.Qe5#
- 2.Qc5#
- 2.fxe4#
- 1...Rexe3!
- threat
- 1.Bxb4?
- threat
- 2.Qc5#
- 1...Qxb4
- 2.Sxb4#
- 1...Ra5
- 2.Qxa5#
- 1...Be3
- 2.Qxe5#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Sb3!
- threat
- 1.Bd4?
- threat
- 2.Qc5#
- 1...exd4
- 2.Rxd4#
- 1...Ra5
- 2.Qxa5#
- 1...Sb3
- 2.Sxb4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Sd3!
- threat
- 1.Bb6?
- threat
- 2.Qc5#
- 1...Be3
- 2.Qxe5#
- 1...Sb3
- 2.Sxb4#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Ra5!
- threat
- 1.Bd6?
- threat
- 2.Qc5#
- 1...exd6
- 2.Qxd6#
- 1...Ra5
- 2.Qxa5#
- 1...Sb3
- 2.Sxb4#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Be3!
- threat
- 1.Bxe7?
- threat
- 2.Qd6#
- 2.Qc5#
- 1...Sxf7
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 1...Ra5
- 2.Qxa5#
- 2.Qd6#
- 1...Be3
- 2.Qxe5#
- 2.Qd6#
- 1...Sb3
- 2.Sxb4#
- 2.Qd6#
- 1...Sd3
- 2.Qd6#
- 2.Qxc4#
- 1...Sc6
- 2.Qd6#
- 2.Qxc6#
- 1...Se6
- 2.Qd6#
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- 1...Bxe7!
- threat
- 1.Bg1?
- Keys
- 1.Ba7!
- threat
- 2.Qc5#
- 1...Ra5
- 2.Qxa5#
- 1...Be3
- 2.Qxe5#
- 1...Sb3
- 2.Sxb4#
- 1...Sd3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 2.Qb7#
- 1...Sb7
- 2.Qc6#
- 2.Qxb7#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD::S(A),XP(f)
- R(c);N_GUARD::QAR1(E),XP(i)
- R(c);OGATE::P(B),XR(c)
- B(d);S_CUTR(c)::QAR1(E),XP(i)
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(m);N_GUARD::QAB1(E),XS(m)
- S(m);N_GUARD::QAB1(E)
- S(m);N_GUARD,XS(G)::QAB1(E)
- P(f);S_CUTQ(a)::S(A)
- P(i);S_CUTR(c)::QAR1(E)
- P(l);N_GUARD::QAR1(E)
- Tries
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- R(e);N_GUARD::QAR(E)
- R(e);N_GUARD::QAR(E),XR(e)
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- R(e);N_GUARD::QAR(E)
- R(e);N_GUARD::QAR(E),XR(e)
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,XB(D)::QAR(E)
- B(j);XB(D)::QAR1(E),XP(i)
- Q(a);::QAR1(E)
- B(j);::QAR1(E)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- R(c);XB(D)
- Try
- B(D);XP(f)
- Threat
- QAR1(E)
- Vars
- Q(a);XB(D)::S(A),XQ(a)
- R(e);N_GUARD::QAR(E),XR(e)
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- P(i);OGATE,XB(D)::R1(C),XP(i)
- R(e);N_GUARD::QAR(E),XR(e)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- R(e);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- P(l);OGATE,XB(D)::QAR1(E),XP(l)
- R(e);N_GUARD::QAR(E),XR(e)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
- Refutation
- B(j);
- Try
- B(D);XP(l)
- Threat
- DUALS(2)
- Refutation
- B(j);XB(D)
- Try
- Actual
- B(D);
- Threat
- QAR1(E)
- Vars
- R(e);N_GUARD::QAR(E),XR(e)
- B(j);S_CUTR(c)::QAR1(E),XP(i)
- S(b);S_CUTQ(a)::S(A),XP(f)
- S(b);S_CUTB(d)::QAB1(E),XP(g)
- S(m);N_GUARD::QAB1(E),XS(m)
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