MESON Chess Problem Database
Problem Display
PID: 21442 (2R3B1/2b1r3/pQ1Rn3/3r4/2k3p1/1p4K1/1B2P3/4N3 w - - 0 1)
Bottacchi, Antonio
5th Comm., Brisbane Courier, 1919
(First published on Sat Jul 19 1919)
#2
8 + 8
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Rd3+
- 2.exd3#
- 1...Rb5
- 2.Qd4#
- 1...Re5
- 2.Rd4#
- 1...Sd4
- 2.Bxd5#
- 1...Sf4
- 2.Rc6#
- 1...Sc5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...Sg7
- 2.Bxd5#
- 1...Sd8
- 2.Bxd5#
- 1...Sf8
- 2.Bxd5#
- 1...Rd3+
- Tries
- 1.Sc2?
- threat
- 2.Sa3#
- 2.Se3#
- 2.Qb4#
- 1...Rd3+
- 2.exd3#
- 1...Rxd6
- 2.Se3#
- 1...Ra5
- 2.Se3#
- 2.Qb4#
- 1...Rb5
- 2.Qd4#
- 1...Re5
- 2.Sa3#
- 2.Rd4#
- 2.Qb4#
- 1...Sd4
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 1...Sf4
- 2.Sa3#
- 2.Rc6#
- 2.Qb4#
- 2.Qc6#
- 1...Sc5
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 1...Sg5
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 2.Qc6#
- 1...Sg7
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 2.Qc6#
- 1...Sd8
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 1...Sf8
- 2.Sa3#
- 2.Bxd5#
- 2.Qb4#
- 2.Qc6#
- 1...a5
- 2.Sa3#
- 2.Se3#
- 1...bxc2!
- threat
- 1.Sd3?
- threat
- 2.Qb4#
- 1...Rxd3+
- 2.exd3#
- 1...Rxd6
- 2.Qc5#
- 1...Rb5
- 2.Qd4#
- 1...a5!
- threat
- 1.Rxc7+?
- 1...Rc5
- 2.Rd4#
- 2.Rxc5#
- 2.Qxc5#
- 1...Sc5
- 2.Bxd5#
- 2.Rxc5#
- 2.Qxc5#
- 1...Sxc7
- 2.Rc6#
- 1...Rxc7!
- 1...Rc5
- 1.Sc2?
- Keys
- 1.Sg2!
- threat
- 2.Se3#
- 1...Rd3+
- 2.exd3#
- 1...Rb5
- 2.Qd4#
- 1...Re5
- 2.Rd4#
- 1...Sd4
- 2.Bxd5#
- 1...Sf4
- 2.Rc6#
- 1...Sc5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...Sg7
- 2.Bxd5#
- 1...Sd8
- 2.Bxd5#
- 1...Sf8
- 2.Bxd5#
- threat
- 1.Sg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);CHECK,OGATE,P_SPINS(f)::P(C),XR(d)
- R(d);N_GUARD,P_SPINS(f),SBLOCK::QAR1(E)
- R(d);N_PINR(F),P_SPINS(f)::R1(F)
- S(f);OGATE,P_SPINR(d)::B(H),XR(d)
- S(f);N_PINR(F),P_SPINR(d)::R(F)
- S(f);N_SPINB(g),OGATE,P_SPINR(d)::B(H),XR(d)
- Tries
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- R(d);CHECK,OGATE,P_SPINS(f)::P(C),XR(d)
- R(d);P_SPINS(f),XR(F)::S(A)
- R(d);N_GUARD,P_SPINS(f),SBLOCK::QAR1(E)
- Refutation
- P(a);XS(A)
- Try
- S(A);
- Threat
- QAR1(E)
- Vars
- R(d);CHECK,OGATE,P_SPINS(f),XS(A)::P(C),XR(d)
- R(d);N_GUARD,P_SPINS(f),XR(F)::QAR1(E)
- R(d);N_GUARD,P_SPINS(f),SBLOCK::QAR1(E)
- Refutation
- P(e);
- Try
- R(G);CHECK,N_SPINR(F),XB(g)
- Vars
- S(f);N_GUARD,P_SPINR(d),XR(G)::R(F)
- Refutation
- R(h);XR(G)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- R(d);CHECK,OGATE,P_SPINS(f)::P(C),XR(d)
- R(d);N_GUARD,P_SPINS(f),SBLOCK::QAR1(E)
- R(d);N_PINR(F),P_SPINS(f)::R1(F)
- S(f);OGATE,P_SPINR(d)::B(H),XR(d)
- S(f);N_PINR(F),P_SPINR(d)::R(F)
- S(f);N_SPINB(g),OGATE,P_SPINR(d)::B(H),XR(d)
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