MESON Chess Problem Database
Problem Display
PID: 242270 (b6B/3B4/p7/3RQp2/1Pk5/b2N3K/P1n5/5n2 w - - 0 1)
Kisis, Imants J
Sachove umeni (Ceskoslovensky sach), 1986
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxb4
- 2.Sb2#
- 1...Bxd5
- 2.Qc3#
- 1...Sa1
- 2.Qd4#
- 1...Se1
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sxb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...a5
- 2.Bb5#
- 1...Bxb4
- Tries
- 1.Sb2+?
- 1...Kxb4
- 2.Qc3#
- 2.Qd6#
- 2.Qe7#
- 1...Bxb2!
- 1...Kxb4
- 1.Sf4?
- threat
- 2.Qc3#
- 1...Kxb4
- 2.Qc3#
- 1...Bxb4
- 2.Qe2#
- 1...Sd4
- 2.Qxd4#
- 1...Bb2!
- threat
- 1.Ba4?
- threat
- 2.Bb3#
- 1...Bxd5
- 2.Qc3#
- 1...Sd4
- 2.Qxd4#
- 1...Sa1
- 2.Qd4#
- 1...Sd2!
- threat
- 1.Bxf5?
- threat
- 2.Rc5#
- 1...Bxb4
- 2.Sb2#
- 1...Bxd5!
- threat
- 1.Be6?
- threat
- 2.Qc3#
- 1...Bxb4
- 2.Sb2#
- 1...Bxd5
- 2.Qxd5#
- 1...Sd4
- 2.Qxd4#
- 1...Bb2!
- threat
- 1.Rd4+?
- 1...Sxd4
- 2.Qxd4#
- 1...Kc3!
- 1...Sxd4
- 1.Rd6?
- threat
- 2.Qc3#
- 2.Qc5#
- 1...Bxb4
- 2.Sb2#
- 1...Bd5
- 2.Qc3#
- 2.Qxd5#
- 1...Sd4
- 2.Qxd4#
- 1...Bb2
- 2.Qc5#
- 1...Bc6
- 2.Qc5#
- 1...Bg2+!
- threat
- 1.Qf4+?
- 1...Sd4
- 2.Qxd4#
- 1...Kxd5!
- 1...Sd4
- 1.Qd6?
- threat
- 2.Rc5#
- 2.Qc5#
- 1...Bxb4
- 2.Sb2#
- 1...Bxd5
- 2.Qxa6#
- 1...Sd4!
- threat
- 1.Qc7+?
- 1...Bc6
- 2.Qxc6#
- 1...Kxd5!
- 1...Bc6
- 1.Qe4+?
- 1...Sd4
- 2.Rc5#
- 2.Qxd4#
- 1...fxe4!
- 1...Sd4
- 1.Qxf5?
- threat
- 2.Rc5#
- 1...Bxb4
- 2.Sb2#
- 1...Bxd5!
- threat
- 1.Sb2+?
- Keys
- 1.Qe2!
- threat
- 2.Rc5#
- 1...Kxd5
- 2.Qe6#
- 1...Bxb4
- 2.Sf4#
- 1...Bxd5
- 2.Qxc2#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(c);N_GUARD,SBLOCK,XP(D)::S(B)
- B(g);SBLOCK,XR(E)::QAR1(F)
- S(b);N_GUARD::QAR1(F)
- S(b);N_GUARD,XP(D)::QAR1(F)
- S(b);N_GUARD::QAR1(F),XS(b)
- P(f);N_GUARD::B(G)
- Tries
- Try
- S(B);CHECK
- Refutation
- B(c);XS(B)
- Try
- S(B);
- Threat
- QAR1(F)
- Vars
- K(d);P-FLIGHT,XP(D)::QAB1(F)
- B(c);SBLOCK,XP(D)::QAB(F)
- S(b);N_GUARD::QAR1(F),XS(b)
- Refutation
- B(c);
- Try
- B(G);
- Threat
- B(G)
- Vars
- B(g);SBLOCK,XR(E)::QAR1(F)
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD::QAR1(F)
- Refutation
- S(a);
- Try
- B(G);XP(e)
- Threat
- R1(E)
- Vars
- B(c);N_GUARD,SBLOCK,XP(D)::S(B)
- Refutation
- B(g);XR(E)
- Try
- B(G);
- Threat
- QAR1(F)
- Vars
- B(c);N_GUARD,SBLOCK,XP(D)::S(B)
- B(g);OGATE,P_SPINB(g),XR(E)::QAB1(F),XB(g)
- S(b);N_GUARD::QAR1(F),XS(b)
- Refutation
- B(c);
- Try
- R(E);CHECK
- Vars
- S(b);OGATE,XR(E)::QAR1(F),XS(b)
- Refutation
- K(d);P-FLIGHT
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,SBLOCK,XP(D)::S(B)
- S(b);N_GUARD::QAR1(F),XS(b)
- B(c);::QAR1(F)
- B(g);::QAR1(F)
- Refutation
- B(g);CHECK
- Try
- Q(F);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(F),XS(b)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XP(D)::S(B)
- B(g);SBLOCK,XR(E)::QAB(F),XP(f)
- Refutation
- S(b);
- Try
- Q(F);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAR2(F),XB(g)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- Q(F);CHECK
- Refutation
- P(e);XQ(F)
- Try
- Q(F);XP(e)
- Threat
- R1(E)
- Vars
- B(c);N_GUARD,SBLOCK,XP(D)::S(B)
- Refutation
- B(g);XR(E)
- Try
- Actual
- Q(F);
- Threat
- R1(E)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(F)
- B(c);SBLOCK,XP(D)::QAB(F)+S(B)
- B(g);SBLOCK,XR(E)::QAR2(F),XS(b)
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