MESON Chess Problem Database
Problem Display
PID: 60023 (3Bn3/R2BpPnq/1p1kr1bR/4N3/2Pp4/3N2Q1/8/4K3 w - - 0 1)
Cassinelli, A
4th Prize, Brisbane Courier, 1927
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxe5+
- 2.Qxe5#
- 1...Be4
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 1...Sf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...b5
- 2.Ra6#
- 1...Rxe5+
- Tries
- 1.Ba4?
- threat
- 2.Rd7#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3
- 2.Bxe7#
- 1...Sf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...Rf6!
- threat
- 1.Bb5?
- threat
- 2.Rd7#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3
- 2.Bxe7#
- 1...Sf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...Rf6!
- threat
- 1.Bc8?
- threat
- 2.Rd7#
- 1...Bxd3
- 2.Bxe7#
- 1...Rf6
- 2.Bxe7#
- 1...Sf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...Rxe5+!
- threat
- 1.Bxe8?
- threat
- 2.Bc7#
- 2.Rd7#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3
- 2.Bxe7#
- 1...Sxe8
- 2.Rd7#
- 1...Rf6!
- threat
- 1.Bxb6?
- threat
- 2.Bc5#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3!
- threat
- 1.Rb7?
- threat
- 2.Rxb6#
- 1...Rxe5+
- 2.Qxe5#
- 1...Be4
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 1...b5
- 2.Rb6#
- 1...Bxd3!
- threat
- 1.Rc7?
- threat
- 2.Rc6#
- 1...Rxe5+
- 2.Qxe5#
- 1...Be4
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 1...Sxc7!
- threat
- 1.Qf4?
- threat
- 2.Qxd4#
- 1...Rxe5+
- 2.Qxe5#
- 1...Be4
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 1...Sf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...Sf5!
- threat
- 1.fxe8Q?
- threat
- 2.Bc7#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3
- 2.Bxe7#
- 2.Qxe7#
- 1...Sxe8!
- threat
- 1.fxe8S+?
- 1...Bxe8
- 2.Bc7#
- 1...Sxe8!
- 1...Bxe8
- 1.fxe8R?
- threat
- 2.Bc7#
- 1...Rxe5+
- 2.Qxe5#
- 1...Bxd3
- 2.Bxe7#
- 1...Sxe8!
- threat
- 1.Ba4?
- Keys
- 1.Sc5!
- threat
- 2.Sb7#
- 1...Rxe5+
- 2.Se4#
- 1...Kxc5
- 2.Qa3#
- 1...bxc5
- 2.Ra6#
- 1...Be4
- 2.Sed3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- P(b);OGATEB::R(G)
- Tries
- Try
- B(H);
- Threat
- R1(G)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- B(e);P_SPINR(d),XS(B)::B(J),XP(f)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- Refutation
- R(d);N_PINS(E)
- Try
- B(H);
- Threat
- R1(G)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- B(e);P_SPINR(d),XS(B)::B(J),XP(f)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- Refutation
- R(d);N_PINS(E)
- Try
- B(H);
- Threat
- R1(G)
- Vars
- B(e);P_SPINR(d),XS(B)::B(J),XP(f)
- R(d);N_GUARD,N_PINS(E)::B(J),XP(f)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- Refutation
- R(d);CHECK,P_SPINB(e),P_SPINR(d),XS(E)
- Try
- B(H);XS(i)
- Threat
- DUALS(2)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- B(e);P_SPINR(d),XS(B)::B(J),XP(f)
- S(g);XB(H)::R1(G)
- Refutation
- R(d);N_PINS(E)
- Try
- B(J);XP(b)
- Threat
- B(J)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- Refutation
- B(e);P_SPINR(d),XS(B)
- Try
- R(G);
- Threat
- R(G),XP(b)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- P(b);::R(G)
- Refutation
- B(e);P_SPINR(d),XS(B)
- Try
- R(G);
- Threat
- R1(G)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- Refutation
- S(i);XR(G)
- Try
- Q(C);
- Threat
- QAR2(C),XP(a)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- S(i);N_GUARD::B(J)
- S(i);N_GUARD::B(J),XS(i)
- Refutation
- S(g);
- Try
- P(I);XS(i)
- Threat
- B(J)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- Refutation
- S(g);XQ(I)
- Try
- P(I);CHECK,XS(i)
- Vars
- B(e);P_SPINR(d),XS(I)::B(J)
- Refutation
- S(g);XS(I)
- Try
- P(I);XS(i)
- Threat
- B(J)
- Vars
- R(d);CHECK,OGATE,P_SPINB(e),P_SPINR(d),XS(E)::QAB1(C),XR(d)
- B(e);P_SPINR(d),XS(B)::B(J),XP(f)
- Refutation
- S(g);XR(I)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- R(d);CHECK,P_SPINB(e),P_SPINR(d),XS(E)::S(B)
- K(c);OGATEB,S_FLIGHT,XS(B)::QAB(C)
- P(b);OGATEB,SBLOCK,XS(B)::R(G)
- B(e);N_PINS(E),P_SPINR(d)::QAB(C)+S(E)
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