MESON Chess Problem Database
Problem Display
PID: 102017 (5n2/4KP2/p2ppQp1/R1bk2P1/B2pp1N1/1P6/4nB2/8 w - - 0 1)
Dimitrov, Nikolai
Themes-64, 1960
#2
9 + 10
| 14572 | Open Solving | 1990 |
| 14538 | Palman | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...d3
- 2.Se3#
- 1...e3
- 2.Qf3#
- 1...e5
- 2.Qxd6#
- 1...Sc1
- Tries
- 1.Kxf8?
- 1...e3
- 2.Qf3#
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...d3
- 2.Se3#
- 1...e5!
- 1...e3
- 1.Bg1?
- 1...e3
- 2.Qf3#
- 1...Sd7
- 2.Qxe6#
- 1...Sc1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sh7
- 2.Qxe6#
- 1...d3
- 2.Se3#
- 1...e5
- 2.Qxd6#
- 1...Sxg1!
- 1...e3
- 1.Be3?
- 1...dxe3
- 2.Sxe3#
- 1...Sd7
- 2.Qxe6#
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qxd6#
- 1...d3!
- 1...dxe3
- 1.Bxd4?
- threat
- 2.Se3#
- 1...e5
- 2.Qxd6#
- 1...e3!
- threat
- 1.Bd7?
- 1...e3
- 2.Qf3#
- 1...d3
- 2.Se3#
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qxd6#
- 1...Sxd7!
- 1...e3
- 1.Be8?
- 1...e3
- 2.Qf3#
- 1...d3
- 2.Se3#
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qxd6#
- 1...Sd7!
- 1...e3
- 1.Rxc5+?
- 1...dxc5
- 2.Qe5#
- 1...Kxc5!
- 1...dxc5
- 1.Qf4?
- threat
- 2.Sf6#
- 2.Qxd6#
- 1...Sd7
- 2.Qxd6#
- 1...Sh7
- 2.Qxd6#
- 1...e3
- 2.Sf6#
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...Sxf4!
- threat
- 1.Kxf8?
- Keys
- 1.Qh8!
- 1...e3
- 2.Qh1#
- 1...Sd7
- 2.Qa8#
- 1...Sc1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf4
- 2.Qxd4#
- 1...Sh7
- 2.Qa8#
- 1...d3
- 2.Se3#
- 1...e5
- 2.Sf6#
- 1...e3
- 1.Qh8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(G),XP(b)
- S(j);N_GUARD::QAB1(G),XP(h)
- P(b);N_GUARD::S(D)
- P(c);OGATEB::QAB(G)
- P(h);OGATE::QAR1(G),XP(g)
- Tries
- Try
- K(H);S_FLIGHT,XS(j)
- Vars
- P(c);OGATEB::QAB(G)
- S(a);N_GUARD::QAR1(G),XP(b)
- P(b);N_GUARD::S(D)
- Refutation
- P(h);
- Try
- B(A);
- Vars
- P(c);OGATEB::QAB(G)
- S(j);N_GUARD::QAB1(G),XP(h)
- S(a);N_GUARD::QAR1(G),XP(b)
- P(b);N_GUARD::S(D)
- P(h);OGATE::QAR1(G),XP(g)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Vars
- P(b);XB(A)::S(D),XP(b)
- S(j);N_GUARD::QAB1(G),XP(h)
- S(a);N_GUARD::QAR1(G),XP(b)
- P(h);OGATE::QAR1(G),XP(g)
- Refutation
- P(b);
- Try
- B(A);XP(b)
- Threat
- S(D)
- Vars
- P(h);OGATE::QAR1(G),XP(g)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- P(c);OGATEB::QAB(G)
- P(b);N_GUARD::S(D)
- S(a);N_GUARD::QAR1(G),XP(b)
- S(j);N_GUARD::QAB1(G),XP(h)
- P(h);OGATE::QAR1(G),XP(g)
- Refutation
- S(j);XB(C)
- Try
- B(C);
- Vars
- P(c);OGATEB::QAB(G)
- P(b);N_GUARD::S(D)
- S(a);N_GUARD::QAR1(G),XP(b)
- S(j);N_GUARD::QAB1(G),XP(h)
- P(h);OGATE::QAR1(G),XP(g)
- Refutation
- S(j);
- Try
- R(E);CHECK,XB(d)
- Vars
- P(g);SBLOCK,XR(E)::QAR1(G)
- Refutation
- K(e);P-FLIGHT,P_SPINP(b),XR(E)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(j);::QAR1(G),XP(g)
- P(h);::S(D)
- Refutation
- S(a);XQ(G)
- Try
- Actual
- Q(G);
- Vars
- P(c);OGATEB::QAB(G)
- S(j);OGATE::QAB(G)
- S(a);N_GUARD::QAR1(G),XP(b)
- P(b);N_GUARD::S(D)
- P(h);SBLOCK::S(D)
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