MESON Chess Problem Database
Problem Display
PID: 139390 (K2Q2nB/p7/4k1B1/r3p2r/2P2P2/3N1N1n/8/b3R3 w - - 0 1)
Reeves, Alfred Christopher
Correspondence Chess, 1963
#2
9 + 8
| 1106 | Rochade Europa | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sc5#
- 1...Ra3
- 2.Sc5#
- 1...Ra4
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Rd5
- 2.cxd5#
- 1...Ra6
- 2.Sc5#
- 1...Rh4
- 2.f5#
- 1...Rh6
- 2.f5#
- 1...Rh7
- 2.f5#
- 1...Rxh8
- 2.f5#
- 1...Bd4
- 2.Sxd4#
- 1...Sxf4
- 2.Sxf4#
- 1...Sg5
- 2.f5#
- 1...Ra2
- Tries
- 1.Sb2?
- threat
- 2.Sd4#
- 1...Rd5
- 2.cxd5#
- 1...Bxb2!
- threat
- 1.Sdxe5?
- threat
- 2.Qd7#
- 1...Rhxe5
- 2.f5#
- 1...Rxh8
- 2.f5#
- 1...Bxe5
- 2.Sd4#
- 1...Rd5
- 2.cxd5#
- 1...Rh7
- 2.f5#
- 1...Sf6
- 2.Qxf6#
- 1...Raxe5!
- threat
- 1.Sfxe5?
- threat
- 2.Qd7#
- 1...Raxe5
- 2.Sc5#
- 1...Rhxe5
- 2.f5#
- 1...Rxh8
- 2.f5#
- 1...Rd5
- 2.cxd5#
- 1...Rh7
- 2.f5#
- 1...Sf6
- 2.Qxf6#
- 1...Bxe5!
- threat
- 1.Sg5+?
- 1...Sxg5
- 2.f5#
- 1...Rxg5!
- 1...Sxg5
- 1.Bf7+?
- 1...Kf5
- 2.Qd7#
- 2.Qc8#
- 1...Kxf7!
- 1...Kf5
- 1.c5?
- threat
- 2.Qd6#
- 1...Rxc5
- 2.Sxc5#
- 1...Ra6!
- threat
- 1.fxe5?
- threat
- 2.Qd6#
- 1...Raxe5
- 2.Sc5#
- 1...Bxe5
- 2.Sd4#
- 1...Rd5
- 2.cxd5#
- 1...Ra6
- 2.Sc5#
- 1...Rhxe5!
- threat
- 1.Sb2?
- Keys
- 1.Bxe5!
- threat
- 2.Qd6#
- 1...Raxe5
- 2.Sc5#
- 1...Rhxe5
- 2.f5#
- 1...Bxe5
- 2.Sd4#
- 1...Rd5
- 2.cxd5#
- 1...Ra6
- 2.Sc5#
- threat
- 1.Bxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(c);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);OGATE::P(D),XR(c)
- R(e);N_GUARD::P(E)
- R(e);N_GUARD,XB(I)::P(E)
- B(a);N_GUARD::S(C),XB(a)
- S(b);XP(E)::S(B),XS(b)
- S(b);S_CUTR(e)::P(E)
- Tries
- Try
- S(B);
- Threat
- S(C)
- Vars
- R(c);OGATE::P(D),XR(c)
- Refutation
- B(a);XS(B)
- Try
- S(B);XP(d)
- Threat
- QAB1(H)
- Vars
- R(e);N_GUARD,P_SPINR(e),XS(B)::P(E)
- R(e);N_GUARD,XB(I)::P(E)
- B(a);N_GUARD,P_SPINB(a),XS(B)::S(C)
- R(c);OGATE::P(D),XR(c)
- R(e);N_GUARD::P(E)
- S(h);N_GUARD::QAR1(H),XS(h)
- Refutation
- R(c);P_SPINR(c),XS(B)
- Try
- S(C);XP(d)
- Threat
- QAB1(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XS(C)::S(B)
- R(e);N_GUARD,P_SPINR(e),XS(C)::P(E)
- R(e);N_GUARD,XB(I)::P(E)
- R(c);OGATE::P(D),XR(c)
- R(e);N_GUARD::P(E)
- S(h);N_GUARD::QAR1(H),XS(h)
- Refutation
- B(a);P_SPINB(a),XS(C)
- Try
- S(C);CHECK
- Vars
- S(b);XS(C)::P(E)
- Refutation
- R(e);XS(C)
- Try
- B(F);CHECK
- Refutation
- K(f);N_SPINP(d),S_FLIGHT,XB(F)
- Try
- P(D);
- Threat
- QAR1(H)
- Vars
- R(c);XP(D)::S(B),XR(c)
- Refutation
- R(c);
- Try
- P(E);XP(d)
- Threat
- QAR1(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(E)::S(B)
- B(a);N_GUARD,P_SPINB(a),XP(E)::S(C)
- R(c);OGATE::P(D),XR(c)
- R(c);N_GUARD::S(B)
- Refutation
- R(e);P_SPINR(e),XP(E)
- Try
- Actual
- B(I);XP(d)
- Threat
- QAR1(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XB(I)::S(B)
- R(e);N_GUARD,P_SPINR(e),XB(I)::P(E)
- B(a);N_GUARD,P_SPINB(a),XB(I)::S(C)
- R(c);OGATE::P(D),XR(c)
- R(c);N_GUARD::S(B)
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