MESON Chess Problem Database
Problem Display
PID: 129881 (2B2BK1/5P2/6p1/r3k3/pN1N3Q/3pr3/3P1P2/7b w - - 0 1)
Rietveld, Johannes Jacob
Szachista Polski, 1913
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.Sdc6#
- 1...Re4
- 2.Sdc6#
- 1...Rd5
- 2.Sbc6#
- 2.Sdc6#
- 1...Bc6
- 2.Sdxc6#
- 1...Rf3
- Tries
- 1.Se2?
- threat
- 2.Qe7#
- 2.Qd4#
- 2.Qf4#
- 1...dxe2
- 2.d4#
- 1...g5
- 2.Qd4#
- 1...Rf3
- 2.Qe7#
- 2.Qd4#
- 1...Re4
- 2.Qg5#
- 2.Qe7#
- 2.Qh8#
- 1...Rd5
- 2.Sc6#
- 2.Qe7#
- 2.Qf4#
- 1...Ra6
- 2.Qd4#
- 2.Qf4#
- 1...Ra7
- 2.Qd4#
- 2.Qf4#
- 1...Be4
- 2.Qe7#
- 2.Qf4#
- 2.Qh8#
- 2.f4#
- 1...Bd5
- 2.Qd4#
- 2.Qf4#
- 1...Rxe2!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 1...Re4
- 2.Qg5#
- 1...Rd5
- 2.Sc6#
- 1...Be4
- 2.f4#
- 1...axb3!
- threat
- 1.Sb5?
- threat
- 2.Bd6#
- 2.Bg7#
- 2.Qd4#
- 1...g5
- 2.Bg7#
- 2.Qd4#
- 1...Rf3
- 2.Bd6#
- 2.Qd4#
- 1...Re4
- 2.Bd6#
- 2.Bg7#
- 2.Qg5#
- 1...Ra6
- 2.Qd4#
- 1...Be4
- 2.Bd6#
- 2.Bg7#
- 2.f4#
- 1...Rxb5!
- threat
- 1.Sf5?
- threat
- 2.Bd6#
- 2.Bg7#
- 2.Qd4#
- 1...g5
- 2.Bg7#
- 2.Qd4#
- 1...Re4
- 2.Bd6#
- 2.Bg7#
- 1...Rd5
- 2.Sc6#
- 2.Bg7#
- 1...Ra6
- 2.Qd4#
- 1...Be4
- 2.Bd6#
- 2.Bg7#
- 2.f4#
- 1...gxf5!
- threat
- 1.Qg5+?
- 1...Ke4
- 2.Qxe3#
- 1...Kxd4!
- 1...Ke4
- 1.Qe7+?
- 1...Kf4
- 2.Qxe3#
- 2.dxe3#
- 1...Kxd4!
- 1...Kf4
- 1.dxe3?
- threat
- 2.Qe7#
- 2.Qf4#
- 1...Ra6
- 2.Qf4#
- 1...Ra7
- 2.Qf4#
- 1...Bd5
- 2.Sxd3#
- 2.Qf4#
- 1...g5!
- threat
- 1.fxe3?
- threat
- 2.Qe7#
- 2.Qf4#
- 1...Ra6
- 2.Qf4#
- 1...Ra7
- 2.Qf4#
- 1...Bd5
- 2.Sxd3#
- 2.Qf4#
- 1...g5!
- threat
- 1.Se2?
- Keys
- 1.Sdc2!
- threat
- 2.Qd4#
- 1...dxc2
- 2.d4#
- 1...Re4
- 2.Qg5#
- 1...Rd5
- 2.Sc6#
- 1...Be4
- 2.f4#
- threat
- 1.Sdc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(c);S_CUTB(a)::S(D)
- B(a);N_GUARD::S(D),XB(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- P(b);OGATE,XS(D)::P(A)
- P(g);::QAB1(E)
- Refutation
- R(c);XS(D)
- Try
- S(D);
- Threat
- QAB1(E)
- Vars
- R(c);SBLOCK::QAR2(E)
- R(e);SBLOCK,S_CUTB(a)::S(C)
- B(a);SBLOCK::P(B)
- Refutation
- P(d);XS(D)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(e);::QAB1(E)
- Refutation
- R(e);XS(D)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(e);::QAB1(E)
- Refutation
- P(g);XS(D)
- Try
- Q(E);CHECK
- Vars
- K(f);P-FLIGHT::QAR1(E),XR(c)
- Refutation
- K(f);S_FLIGHT,XS(D)
- Try
- Q(E);CHECK
- Refutation
- K(f);S_FLIGHT,XS(D)
- Try
- P(A);XR(c)
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(E)
- Refutation
- P(g);
- Try
- P(B);XR(c)
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(E)
- Refutation
- P(g);
- Try
- Actual
- S(D);
- Threat
- QAB1(E)
- Vars
- P(b);OGATE,XS(D)::P(A)
- R(c);SBLOCK::QAR2(E)
- R(e);SBLOCK,S_CUTB(a)::S(C)
- B(a);SBLOCK::P(B)
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