MESON Chess Problem Database
Problem Display
PID: 232091 (1r4b1/b1BQ1pN1/4r3/2pR2p1/2p1k2p/2P2p2/B4PP1/1n2KN2 w - - 0 1)
Beal, Edward W
diagrammes, 1975
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qf5#
- 1...Reb6
- 2.Qf5#
- 1...Rc6
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Re7
- 2.Qf5#
- 1...Ree8
- 2.Qf5#
- 1...Ra8
- 2.Bxb1#
- 1...Rc8
- 2.Bxb1#
- 1...Rd8
- 2.Bxb1#
- 1...Rbe8
- 2.Bxb1#
- 1...Rf8
- 2.Bxb1#
- 1...Bb6
- 2.Bxb1#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sxc3
- 2.Sd2#
- 1...h3
- 2.Sg3#
- 1...Ra6
- Tries
- 1.Bxc4?
- threat
- 2.Bd3#
- 1...Re5
- 2.Qg4#
- 1...Rd6
- 2.Qg4#
- 2.Qf5#
- 1...fxg2!
- threat
- 1.Rd2?
- threat
- 2.Qd5#
- 1...Sxd2
- 2.Sxd2#
- 1...Re5
- 2.Qg4#
- 1...Rd6
- 2.Qf5#
- 1...Rd8
- 2.Bxb1#
- 1...Sxc3!
- threat
- 1.Rd3?
- threat
- 2.Re3#
- 2.Qd5#
- 2.gxf3#
- 1...Sxc3
- 2.Sd2#
- 2.Re3#
- 2.gxf3#
- 1...fxg2
- 2.Re3#
- 2.Qd5#
- 2.f3#
- 1...cxd3
- 2.Bd5#
- 2.Qd5#
- 1...Rd6
- 2.Qf5#
- 1...Rf6
- 2.Re3#
- 2.Qd5#
- 1...Rd8
- 2.Re3#
- 2.gxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Re3#
- 2.Qd5#
- 1...g4
- 2.Re3#
- 2.Qd5#
- 1...Re5!
- threat
- 1.Rxc5?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Sxc3
- 2.Sd2#
- 1...fxg2
- 2.Qd5#
- 1...Re5
- 2.Qd4#
- 1...Rd6
- 2.Qf5#
- 1...Rd8
- 2.Bxb1#
- 1...Bxc5!
- threat
- 1.Rf5?
- threat
- 2.Qd5#
- 2.gxf3#
- 1...Sxc3
- 2.Sd2#
- 2.gxf3#
- 1...fxg2
- 2.Qd5#
- 2.f3#
- 1...Re5
- 2.gxf3#
- 1...Rd8
- 2.Bxb1#
- 2.gxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Qd5#
- 1...g4
- 2.Rf4#
- 2.Qd5#
- 1...Rd6!
- threat
- 1.Rxg5?
- threat
- 2.Rg4#
- 2.Qd5#
- 1...Sxc3
- 2.Sd2#
- 2.Rg4#
- 1...fxg2
- 2.Qd5#
- 1...Re5
- 2.Rg4#
- 1...Rd6
- 2.Qf5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qf5#
- 2.Qd5#
- 1...Rd8
- 2.Bxb1#
- 2.Rg4#
- 1...f5!
- threat
- 1.Bxc4?
- Keys
- 1.Rd1!
- threat
- 2.Qd5#
- 1...Sxc3
- 2.Sd2#
- 1...Re5
- 2.Qg4#
- 1...Rd6
- 2.Qf5#
- 1...Rd8
- 2.Bxb1#
- 1...Sd2
- 2.Sxd2#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- R(h);OGATE::QAB1(I)
- R(k);N_GUARD::B(C),XS(a)
- B(i);S_CUTR(k)::B(C),XS(a)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD,XP(F)::S(B)
- P(e);N_GUARD::S(B)
- Tries
- Try
- B(C);XP(c)
- Threat
- B(C)
- Vars
- R(h);OGATE::QAR2(I)
- Refutation
- P(b);XP(E)
- Try
- R(G);
- Threat
- QAB1(I)
- Vars
- S(a);XR(G)::S(B),XS(a)
- R(h);OGATE::QAR2(I)
- R(h);OGATE::QAB1(I)
- R(k);N_GUARD::B(C),XS(a)
- Refutation
- S(a);XP(F)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- R(h);OGATE::QAB1(I)
- Refutation
- R(h);
- Try
- R(G);XP(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XP(F)::S(B)
- P(b);XP(E)::QAB1(I)
- R(h);::QAR1(I)
- R(h);OGATE::QAB1(I)
- R(k);N_GUARD::B(C),XS(a)
- Refutation
- B(i);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(h);::P(E),XP(b)
- Refutation
- R(h);
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- P(b);XP(E)::QAB1(I)
- R(h);::R(G)
- R(h);OGATE::QAB1(I)
- R(h);::QAB1(I)
- Refutation
- P(j);
- Try
- Actual
- R(G);
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD,XP(F)::S(B)
- R(h);OGATE::QAR2(I)
- R(h);OGATE::QAB1(I)
- R(k);N_GUARD::B(C),XS(a)
- S(a);N_GUARD::S(B),XS(a)
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