MESON Chess Problem Database
Problem Display
PID: 155939 (8/5bB1/2pR1P2/2p5/Qn3n1R/KNkP4/2p5/2N5 w - - 0 1)
Rudenko, Valentin Fedorovich
Presledovanie Temi, 1983
#2
9 + 7
| 23 | Die Schwalbe | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.f7#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 1...Sbxd3
- 2.Sa2#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sfxd3
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 1...c4
- 2.Qxb4#
- 1...Bc4
- Tries
- 1.Bh8?
- 1...Sbxd3
- 2.Sa2#
- 1...Sfxd3
- 2.Se2#
- 1...Bc4
- 2.f7#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 1...c4
- 2.Qxb4#
- 1...Bxb3!
- 1...Sbxd3
- 1.Rxf4?
- threat
- 2.Se2#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.Rc4#
- 2.f7#
- 1...Sd5
- 2.Rc4#
- 2.Qc4#
- 1...Bxb3!
- threat
- 1.Rg4?
- 1...Sbxd3
- 2.Sa2#
- 1...Sfxd3
- 2.Se2#
- 1...Bc4
- 2.f7#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 1...c4
- 2.Qxb4#
- 1...Bxb3!
- 1...Sbxd3
- 1.Rd5?
- 1...Bxd5
- 2.f7#
- 1...Sbxd3
- 2.Sa2#
- 1...Sbxd5
- 2.Qc4#
- 1...Sfxd3
- 2.Se2#
- 1...Sfxd5
- 2.Rc4#
- 1...Bh5
- 2.Rxc5#
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.Rxc5#
- 2.f7#
- 1...Be8
- 2.Rxc5#
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 2.Qc4#
- 1...Se2
- 2.Sxe2#
- 2.Rc4#
- 1...Sg2
- 2.Se2#
- 2.Rc4#
- 1...Sh3
- 2.Se2#
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 2.Rc4#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 2.Rc4#
- 1...c4
- 2.Qxb4#
- 1...cxd5!
- 1...Bxd5
- 1.Rxc6?
- threat
- 2.Qxb4#
- 1...Sbxd3
- 2.Sa2#
- 2.Qd4#
- 1...Sfxd3
- 2.Se2#
- 1...Bc4
- 2.f7#
- 1...Sa2
- 2.Qd4#
- 1...Sbd5
- 2.Rxc5#
- 2.Qc4#
- 2.Qd4#
- 1...Sa6
- 2.Qd4#
- 1...Sfd5
- 2.Rc4#
- 2.Rxc5#
- 1...Sxc6!
- threat
- 1.Rd7?
- 1...Sbxd3
- 2.Sa2#
- 1...Sfxd3
- 2.Se2#
- 1...Bc4
- 2.f7#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 1...c4
- 2.Qxb4#
- 1...Bxb3!
- 1...Sbxd3
- 1.Rd8?
- 1...Sbxd3
- 2.Sa2#
- 1...Sfxd3
- 2.Se2#
- 1...Bc4
- 2.f7#
- 1...Bd5
- 2.f7#
- 1...Bh5
- 2.f7#
- 1...Be6
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Sxa2#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Sa2#
- 1...Se2
- 2.Sxe2#
- 1...Sg2
- 2.Se2#
- 1...Sh3
- 2.Se2#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Se2#
- 1...Se6
- 2.Se2#
- 2.Rc4#
- 1...Sg6
- 2.Se2#
- 1...c4
- 2.Qxb4#
- 1...Bxb3!
- 1...Sbxd3
- 1.Qa5?
- threat
- 2.Sa2#
- 1...Bd5
- 2.f7#
- 1...Sd5
- 2.Rc4#
- 2.Qxc5#
- 1...Bxb3!
- threat
- 1.Bh8?
- Keys
- 1.Re6!
- 1...Bxe6
- 2.f7#
- 1...Sbxd3
- 2.Sa2#
- 1...Sfxd3
- 2.Se2#
- 1...Sxe6
- 2.Rc4#
- 1...Bh5
- 2.f7#
- 1...Bg6
- 2.f7#
- 1...Be8
- 2.f7#
- 1...Bg8
- 2.f7#
- 1...Sa2
- 2.Qc4#
- 1...Sbd5
- 2.Qc4#
- 1...Sa6
- 2.Qc4#
- 1...Se2
- 2.Rc4#
- 1...Sg2
- 2.Rc4#
- 1...Sh3
- 2.Rc4#
- 1...Sfd5
- 2.Rc4#
- 1...Sh5
- 2.Rc4#
- 1...Sg6
- 2.Rc4#
- 1...c4
- 2.Qxb4#
- 1...Bxe6
- 1.Re6!
This is after
After L'udovit Lacny)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(g);OGATE::B(I)+P(H)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD,XP(D)::S(A)
- S(c);OGATE::QAR1(E)
- S(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD,XP(D)::S(A)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
- Tries
- Try
- B(I);
- Vars
- S(c);N_GUARD,XP(D)::S(A)
- S(d);N_GUARD,XP(D)::S(A)
- B(g);OGATE::B(I)+P(H)
- S(c);N_GUARD::S(A),XS(c)
- S(c);OGATE::QAR1(E)
- S(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
- Refutation
- B(g);XS(C)
- Try
- R(F);XS(d)
- Threat
- S(A)
- Vars
- B(g);OGATE::B(I)+P(H)
- Refutation
- B(g);XS(C)
- Try
- R(F);
- Vars
- S(c);N_GUARD,XP(D)::S(A)
- S(d);N_GUARD,XP(D)::S(A)
- B(g);OGATE::B(I)+P(H)
- S(c);N_GUARD::S(A),XS(c)
- S(c);OGATE::QAR1(E)
- S(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
- Refutation
- B(g);XS(C)
- Try
- R(G);
- Vars
- B(g);OGATE,XR(G)::B(I)+P(H)
- S(c);N_GUARD,XP(D)::S(A)
- S(c);OGATE,XR(G)::QAR1(E)
- S(d);N_GUARD,XP(D)::S(A)
- S(d);OGATE,XR(G)::R1(F)
- B(g);OGATE::B(I)+P(H)
- P(e);N_GUARD::QAB1(E),XS(c)
- Refutation
- P(f);XR(G)
- Try
- R(G);P_PINP(e),XP(f)
- Threat
- QAB1(E),XS(c)
- Vars
- S(d);N_GUARD,SBLOCK,XP(D)::S(A)
- B(g);N_SPINP(e),OGATE::B(I)+P(H)
- S(c);OGATE::QAB1(E)
- Refutation
- S(c);N_SPINP(e),XR(G)
- Try
- R(G);
- Vars
- S(c);N_GUARD,XP(D)::S(A)
- S(d);N_GUARD,XP(D)::S(A)
- B(g);OGATE::B(I)+P(H)
- S(c);N_GUARD::S(A),XS(c)
- S(c);OGATE::QAR1(E)
- S(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
- Refutation
- B(g);XS(C)
- Try
- R(G);
- Vars
- S(c);N_GUARD,XP(D)::S(A)
- S(d);N_GUARD,XP(D)::S(A)
- B(g);OGATE::B(I)+P(H)
- S(c);N_GUARD::S(A),XS(c)
- S(c);OGATE::QAR1(E)
- S(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
- Refutation
- B(g);XS(C)
- Try
- Q(E);P_PINS(c)
- Threat
- S(A)
- Vars
- B(g);OGATE::B(I)+P(H)
- Refutation
- B(g);XS(C)
- Try
- Actual
- R(G);
- Vars
- B(g);OGATE,XR(G)::B(I)+P(H)
- S(c);N_GUARD,SBLOCK,XP(D)::S(A)
- S(d);N_GUARD,SBLOCK,XP(D)::S(A)
- S(d);OGATE,XR(G)::R1(F)
- B(g);OGATE::B(I)+P(H)
- S(c);OGATE::QAR1(E)
- S(d);OGATE::R1(F)
- P(e);N_GUARD::QAB1(E),XS(c)
Developed and maintained by Brian Stephenson.
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