MESON Chess Problem Database
Problem Display
PID: 70772 (2K3N1/1pp4r/1r4R1/5kNQ/4R2p/6b1/2P2p1p/BB1n2q1 w - - 0 1)
Kisis, Imants J
1st Prize, Czech Ty., 1968-1969
#2
9 + 11
| 274 | diagrammes | 1973 |
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.Rf6#
- 1...Rb2
- 2.Rf6#
- 1...Rb3
- 2.Rf6#
- 1...Rb4
- 2.Rf6#
- 1...Rb5
- 2.Rf6#
- 1...Rf6
- 2.Rxf6#
- 1...Rxg6
- 2.Qg4#
- 1...Rxh5
- 2.Se7#
- 1...Rh6
- 2.Sxh6#
- 2.Se7#
- 1...Rd7
- 2.Sh6#
- 1...Re7
- 2.Sh6#
- 2.Sxe7#
- 1...Rf7
- 2.Sh6#
- 1...Rg7
- 2.Sh6#
- 1...Bd6
- 2.Rf6#
- 1...c6
- 2.Rf6#
- 1...Rxb1
- Tries
- 1.Rf4+?
- 1...Kxf4
- 2.Qf3#
- 1...Bxf4!
- 1...Kxf4
- 1.Re5+?
- 1...Kf4
- 2.Sh3#
- 2.Qf3#
- 1...Bxe5!
- 1...Kf4
- 1.Qxh7?
- threat
- 2.Sh6#
- 2.Se7#
- 1...Bf4
- 2.Sh6#
- 1...Re6
- 2.Sh6#
- 1...Bd6
- 2.Sh6#
- 2.Rg7#
- 2.Qf7#
- 1...Rxg6!
- threat
- 1.c3?
- threat
- 2.Sxh7#
- 1...Rxb1
- 2.Rf6#
- 1...Rxg6
- 2.Qg4#
- 1...Rxh5
- 2.Se7#
- 1...Rh6
- 2.Sxh6#
- 2.Se7#
- 1...Rd7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Re7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 2.Sxe7#
- 1...Rf7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sxf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rg7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rh8
- 2.Sh7#
- 1...Be5
- 2.Rb4#
- 1...Bd6
- 2.Rf6#
- 1...Bf4!
- threat
- 1.c4?
- threat
- 2.Sxh7#
- 1...Rxb1
- 2.Rf6#
- 1...Rxg6
- 2.Rg4#
- 2.Rxh4#
- 2.Qg4#
- 1...Rxh5
- 2.Se7#
- 1...Rh6
- 2.Sxh6#
- 2.Se7#
- 1...Rd7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Re7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 2.Sxe7#
- 1...Rf7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sxf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rg7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rh8
- 2.Sh7#
- 1...Bf4
- 2.Re5#
- 1...Bd6
- 2.Rf6#
- 1...Be5!
- threat
- 1.Rf4+?
- Keys
- 1.Rb4!
- threat
- 2.Sxh7#
- 1...Rxb4
- 2.Rf6#
- 1...Rxg6
- 2.Qg4#
- 1...Rxh5
- 2.Se7#
- 1...Rf6
- 2.Rxf6#
- 1...Rh6
- 2.Sxh6#
- 2.Se7#
- 1...Rd7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Re7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 2.Sxe7#
- 1...Rf7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sxf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rg7
- 2.Sf3#
- 2.Sh3#
- 2.Se6#
- 2.Sf7#
- 2.Sh7#
- 2.Sh6#
- 1...Rh8
- 2.Sh7#
- 1...Bf4
- 2.c4#
- 1...Be5
- 2.c3#
- 1...Bd6
- 2.Rf6#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD,XB(B)::R1(G)
- R(h);N_GUARD::R1(G)
- R(h);N_GUARD::R1(G),XR(h)
- R(h);SBLOCK,XR(G)::QAB1(F)
- R(k);N_GUARD,XQ(F)::S(I)
- R(k);N_GUARD::S(I)
- B(e);S_CUTR(h)::R1(G)
- P(j);S_CUTR(h)::R1(G)
- Tries
- Try
- R(D);CHECK
- Vars
- K(g);P-FLIGHT,XR(D)::QAR1(F)
- Refutation
- B(e);XR(D)
- Try
- R(D);CHECK
- Refutation
- B(e);XR(D)
- Try
- Q(F);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);::S(I)
- R(h);::S(I)
- Refutation
- R(h);P_SPINR(h),XR(G)
- Try
- P(C);
- Threat
- QAR(F)+S(E),XR(k)
- Vars
- R(h);N_GUARD,XB(B)::R1(G)
- R(h);SBLOCK,XR(G)::QAB1(F)
- R(k);N_GUARD,XQ(F)::S(I)
- R(k);P_PINS(I)::QAR(F)+S(E)
- B(e);SBLOCK::B(B)+R(D)
- B(e);S_CUTR(h)::R1(G)
- Refutation
- B(e);
- Try
- P(C);
- Threat
- QAR(F)+S(E),XR(k)
- Vars
- R(h);N_GUARD,XB(B)::R1(G)
- R(k);N_GUARD,XQ(F)::S(I)
- R(k);P_PINS(I)::QAR(F)+S(E)
- B(e);SBLOCK::B(B)+R(D),DCHECK
- B(e);S_CUTR(h)::R1(G)
- Refutation
- B(e);
- Try
- Actual
- R(D);
- Threat
- QAR(F)+S(E),XR(k)
- Vars
- R(h);N_GUARD,XR(D)::R1(G)
- R(h);SBLOCK,XR(G)::QAB1(F)
- R(k);N_GUARD,XQ(F)::S(I)
- R(h);N_GUARD::R1(G),XR(h)
- R(k);P_PINS(I)::QAR(F)+S(E)
- B(e);SBLOCK::B(B)+P(C)
- B(e);S_CUTR(h)::R1(G)
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