MESON Chess Problem Database
Problem Display
PID: 108712 (bb1NR1nK/6B1/2r3Pp/5p1R/r3Nk2/p6P/4BP1n/Q7 w - - 0 1)
Krtsev, SI
Canadian Chess Chat, 1981
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxc1#
- 1...Ra6
- 2.Qc1#
- 1...Rb6
- 2.Qc1#
- 1...Rd6
- 2.Qe5#
- 1...Rf6
- 2.Qc1#
- 1...Rxg6
- 2.Qc1#
- 1...Rc7
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Ba7
- 2.Qe5#
- 1...Sf1
- 2.Rh4#
- 1...Sf6
- 2.Bxh6#
- 1...Rc1
- Tries
- 1.Sc5?
- threat
- 2.Sd3#
- 2.Qc1#
- 1...Rc4
- 2.Sd3#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Sd3#
- 1...Rd6
- 2.Be5#
- 2.Qe5#
- 1...Re6
- 2.Sdxe6#
- 1...Be5
- 2.Bxe5#
- 2.Qxe5#
- 2.Qc1#
- 1...Sf1
- 2.Sd3#
- 1...Sf3
- 2.Sd3#
- 1...Sg4
- 2.Sd3#
- 1...Se7
- 2.Bxh6#
- 2.Qc1#
- 1...Rxc5!
- threat
- 1.Sd6?
- threat
- 2.Se6#
- 2.Be5#
- 2.Rxf5#
- 2.Qe5#
- 1...Rxd6
- 2.Qe5#
- 1...Rd4
- 2.Se6#
- 2.Be5#
- 2.Rxf5#
- 2.Qxd4#
- 1...Re4
- 2.Rxf5#
- 1...Ra5
- 2.Se6#
- 2.Qd4#
- 1...Rc3
- 2.Se6#
- 2.Be5#
- 2.Rxf5#
- 1...Rc5
- 2.Se6#
- 1...Sf3
- 2.Se6#
- 2.Rxf5#
- 1...Sg4
- 2.Se6#
- 2.Rxf5#
- 1...Sf6
- 2.Se6#
- 2.Bxh6#
- 2.Rxf5#
- 2.Qe5#
- 1...Se7
- 2.Se6#
- 2.Be5#
- 2.Bxh6#
- 2.Qe5#
- 1...Bxd6!
- threat
- 1.Sf6?
- threat
- 2.Sd5#
- 1...Rxf6
- 2.Qc1#
- 1...Sxf6
- 2.Bxh6#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Rc1
- 2.Se6#
- 2.Qxc1#
- 1...Rc2
- 2.Se6#
- 1...Rcc4
- 2.Se6#
- 1...Rc5
- 2.Se6#
- 1...Rca6
- 2.Qc1#
- 1...Rb6
- 2.Qc1#
- 1...Rd6
- 2.Qe5#
- 1...Re6
- 2.Sxe6#
- 1...Rc7
- 2.Se6#
- 2.Qe5#
- 1...Rc8
- 2.Se6#
- 1...Be5
- 2.Qxe5#
- 1...Se7
- 2.Bxh6#
- 1...Rc3!
- threat
- 1.Be5+?
- 1...Bxe5+
- 2.Qxe5#
- 1...Kxe4!
- 1...Bxe5+
- 1.Re5?
- threat
- 2.Rhxf5#
- 1...Bxe5
- 2.Qxe5#
- 1...fxe4
- 2.Ref5#
- 2.Rhf5#
- 1...Se7
- 2.Bxh6#
- 1...Rf6!
- threat
- 1.Qc3?
- threat
- 2.Qd2#
- 2.Qe3#
- 2.Qg3#
- 1...Rxe4
- 2.Qg3#
- 1...Rxg6
- 2.Qd2#
- 2.Qc1#
- 2.Qe3#
- 1...fxe4
- 2.Qe3#
- 2.Qg3#
- 1...Re6
- 2.Qe3#
- 1...Be5
- 2.Qxe5#
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...Rd4
- 2.Qe3#
- 2.Qg3#
- 1...Rd6
- 2.Qe5#
- 2.Qe3#
- 2.Qg3#
- 1...Ba7
- 2.Qe5#
- 2.Qg3#
- 1...Sf1
- 2.Rh4#
- 2.Qf3#
- 1...Sf3
- 2.Qe3#
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 2.Qg3#
- 1...Rxc3!
- threat
- 1.Qh1?
- threat
- 2.Qxh2#
- 1...Rxg6
- 2.Qc1#
- 1...Rc3
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 1...Be5
- 2.Bxe5#
- 1...Sf1
- 2.Rh4#
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Se7!
- threat
- 1.Sc5?
- Keys
- 1.Sg3!
- threat
- 2.Rxf5#
- 1...Ra5
- 2.Qd4#
- 1...Rc5
- 2.Se6#
- 1...Rf6
- 2.Qc1#
- 1...Se7
- 2.Bxh6#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(f);N_GUARD::QAB(A),XR(f)
- R(f);N_GUARD::QAB(A)
- R(f);S_CUTB(i)::QAB1(A)
- R(f);N_GUARD,XP(G)::QAB(A)
- B(i);N_GUARD,P_PINB(H)::QAB1(A),XB(i)
- B(i);N_GUARD::QAB1(A)
- S(a);N_GUARD::R(F)
- S(j);N_GUARD::B(H),XP(g)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(c);::S(E)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(f);N_GUARD::S(I),XR(f)
- S(a);::S(E)
- Refutation
- R(f);XS(E)
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- R(f);XS(E)::QAB1(A)
- R(c);::R1(F),XP(e)
- R(f);::S(I)
- Refutation
- B(i);XS(E)
- Try
- S(E);
- Threat
- S(E)
- Vars
- R(f);N_GUARD,XS(E)::QAB(A)
- S(j);N_GUARD,XS(E)::B(H),XP(g)
- R(c);N_GUARD::QAR2(A),XR(c)
- R(c);N_GUARD::QAR2(A)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD::QAB(A)
- R(f);S_CUTB(i)::QAB1(A)
- R(f);N_GUARD::S(I),XR(f)
- B(i);N_GUARD::QAB1(A),XB(i)
- S(j);N_GUARD::B(H),XP(g)
- Refutation
- R(f);
- Try
- B(H);CHECK
- Vars
- B(i);CHECK,OGATE,XB(H)::QAB1(A),XB(i)
- Refutation
- K(d);P-FLIGHT,XS(E)
- Try
- R(J);
- Threat
- R1(F),XP(e)
- Vars
- B(i);OGATE,P_PINB(H),XR(J)::QAB1(A),XB(i)
- S(j);N_GUARD::B(H),XP(g)
- Refutation
- R(f);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(c);XS(E)::QAB1(A)
- R(f);::QAB1(A)
- S(j);::QAB1(A)
- Refutation
- R(f);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A),XS(a)
- Vars
- R(f);N_GUARD,XP(G)::QAB(A)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD::S(I),XR(f)
- B(i);N_GUARD,P_PINB(H)::B(H),XB(i)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- Refutation
- S(j);
- Try
- Actual
- S(E);
- Threat
- R1(F),XP(e)
- Vars
- R(c);N_GUARD::QAR2(A)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD::QAB(A)
- S(j);N_GUARD::B(H),XP(g)
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