MESON Chess Problem Database
Problem Display
PID: 42590 (6B1/2np4/b1pBrn2/2pk3r/2R2Q1p/1Pp1R3/4KN1p/8 w - - 0 1)
Barnes, Barry Peter
Zappas, Byron
The Problemist, 1998
#2
8 + 12
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxe5#
- 1...Rh6
- 2.Qe5#
- 1...Rh7
- 2.Qe5#
- 1...Rh8
- 2.Qe5#
- 1...Bxc4+
- 2.bxc4#
- 1...Bb7
- 2.Rxc5#
- 1...Bc8
- 2.Rxc5#
- 1...Se4
- 2.Rd3#
- 1...Sb5
- 2.Rxc5#
- 1...Re5
- Tries
- 1.Sd3?
- threat
- 2.Rxc5#
- 1...Bxc4
- 2.bxc4#
- 1...Re5
- 2.Qxe5#
- 1...Se4!
- threat
- 1.Se4?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 2.Rd3#
- 1...Sxe4
- 2.Rd3#
- 1...Sxg8
- 2.Sxc3#
- 2.Rd3#
- 1...Re5
- 2.Rd3#
- 2.Qxe5#
- 1...Rf5
- 2.Sxc3#
- 2.Rd3#
- 2.Qxf5#
- 1...Rh6
- 2.Sxc3#
- 2.Rd3#
- 2.Qe5#
- 2.Qg5#
- 2.Qf5#
- 1...Sg4
- 2.Sxc3#
- 2.Rd3#
- 1...Sh7
- 2.Sxc3#
- 2.Rd3#
- 1...Sfe8
- 2.Sxc3#
- 2.Rd3#
- 1...Sb5
- 2.Sxf6#
- 1...Sce8
- 2.Sxc3#
- 2.Rd3#
- 1...c2
- 2.Sc3#
- 2.Sxf6#
- 2.Rd3#
- 1...Bxc4+!
- threat
- 1.Bxc5?
- threat
- 2.Qd6#
- 2.Qd4#
- 1...Bxc4+
- 2.Qxc4#
- 1...Sxg8
- 2.Qd4#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 2.Qd4#
- 1...Se4
- 2.Rd3#
- 2.Qxe4#
- 1...Sfe8
- 2.Qf3#
- 2.Qd4#
- 2.Qe4#
- 1...Sce8
- 2.Qd4#
- 1...d6
- 2.Qxd6#
- 2.Qd4#
- 1...Sb5!
- threat
- 1.Be5?
- threat
- 2.Rd3#
- 1...Bxc4+
- 2.Qxc4#
- 2.bxc4#
- 1...Rxe5
- 2.Qxe5#
- 1...Sb5!
- threat
- 1.Bxc7?
- threat
- 2.Qd6#
- 1...Bxc4+
- 2.Qxc4#
- 2.bxc4#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...Se4
- 2.Rd3#
- 2.Qxe4#
- 1...Se8
- 2.Qf3#
- 2.Qe4#
- 1...d6
- 2.Bxe6#
- 2.Qxd6#
- 1...Sxg8!
- threat
- 1.Bxe6+?
- 1...dxe6
- 2.Rd3#
- 1...Sxe6!
- 1...dxe6
- 1.Re5+?
- 1...Rxe5+
- 2.Qxe5#
- 1...Kxd6!
- 1...Rxe5+
- 1.Qf3+?
- 1...Se4
- 2.Rd3#
- 1...Kxd6!
- 1...Se4
- 1.Qe4+?
- 1...Sxe4
- 2.Rd3#
- 1...Kxd6!
- 1...Sxe4
- 1.Sd3?
- Keys
- 1.Sd1!
- threat
- 2.Sxc3#
- 1...Bxc4+
- 2.bxc4#
- 1...Re5
- 2.Qxe5#
- 1...Se4
- 2.Rd3#
- 1...Sb5
- 2.Rxc5#
- 1...c2
- 2.Sc3#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(f);N_GUARD::QAR1(F),XR(f)
- R(f);N_GUARD::QAR1(F)
- B(g);CHECK,OGATE,XR(E)::P(C),XB(g)
- B(g);OGATE::R1(E),XP(d)
- S(j);N_PINR(D),P_PINR(E)::R(D)
- S(k);OGATE::R1(E),XP(d)
- Tries
- Try
- S(B);
- Threat
- R1(E),XP(d)
- Vars
- B(g);OGATE,P_PINS(B),XR(E)::P(C),XB(g)
- R(f);N_GUARD::QAR1(F),XR(f)
- Refutation
- S(j);N_PINR(D)
- Try
- S(B);N_SPINR(D),P_SPINR(E)
- Threat
- DUALS(3)
- Vars
- S(j);XS(B)::R(D)
- S(k);N_PINR(E)::S(B),XS(j)
- Refutation
- B(g);CHECK,XR(E)
- Try
- B(G);XP(d)
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,OGATE,XR(E)::QAB1(F),XB(g)
- S(j);N_SPINR(i),XB(H)::QAR1(F)
- S(k);::QAR1(F)
- Refutation
- S(k);
- Try
- B(G);N_SPINR(D),P_SPINR(E)
- Threat
- R(D)
- Vars
- R(f);N_PINR(E),OGATE,P_PINR(D),XB(G)::QAR1(F),XR(f)
- Refutation
- S(k);N_PINR(E)
- Try
- B(G);XS(k)
- Threat
- QAR1(F)
- Refutation
- S(j);N_SPINR(i),XB(H)
- Try
- B(H);CHECK,N_SPINR(D),P_SPINR(E),XR(i)
- Vars
- P(l);SBLOCK,XB(H)::R(D)
- Refutation
- S(k);XB(H)
- Try
- R(D);CHECK,N_SPINR(D),P_SPINR(E)
- Vars
- R(f);CHECK,OGATE,XR(D)::QAR1(F),XR(f)
- Refutation
- K(e);N_SPINR(i),P-FLIGHT,XB(G)
- Try
- Q(F);CHECK
- Vars
- S(j);N_PINR(D),P_PINR(E),P_SPINS(j)::R(D)
- Refutation
- K(e);N_SPINR(i),P-FLIGHT,XB(G)
- Try
- Q(F);CHECK,N_SPINR(D),P_SPINR(E)
- Vars
- S(j);XQ(F)::R(D)
- Refutation
- K(e);N_SPINR(i),P-FLIGHT,XB(G)
- Try
- Actual
- S(B);
- Threat
- S(B),XP(b)
- Vars
- B(g);CHECK,OGATE,XR(E)::P(C),XB(g)
- R(f);N_GUARD::QAR1(F),XR(f)
- S(j);N_PINR(D),P_PINR(E)::R(D)
- S(k);OGATE::R1(E),XP(d)
- P(b);::S(B)
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