MESON Chess Problem Database
Problem Display
PID: 18192 (B4n1r/2p5/2R1p3/3kNrp1/1P1n2N1/1b3P2/1K1R4/7Q w - - 0 1)
Mansfield, Comins
Comm., White MT (B), 1952-1953
#2
9 + 9
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Qxf3#
- 1...Rxe5
- 2.Sf6#
- 1...Rg8
- 2.f4#
- 1...Sh7
- 2.f4#
- 1...Rxf3
- Tries
- 1.Kc3?
- threat
- 2.Rxd4#
- 1...Rxf3+
- 2.Qxf3#
- 1...Rf4!
- threat
- 1.Sc4?
- threat
- 2.Sce3#
- 2.Sge3#
- 2.Rc5#
- 2.Rxc7#
- 1...Rxf3
- 2.Sf6#
- 2.Rc5#
- 2.Rxc7#
- 2.Qxf3#
- 1...Re5
- 2.Sf6#
- 2.Rc5#
- 2.Rxc7#
- 1...Ba4
- 2.Sce3#
- 2.Sge3#
- 2.Rc5#
- 1...Sg6
- 2.Sce3#
- 2.Sge3#
- 2.Rc5#
- 1...Sd7
- 2.Sce3#
- 2.Sge3#
- 2.Rc5#
- 1...Sh7
- 2.Sce3#
- 2.Sge3#
- 2.Rc5#
- 2.f4#
- 1...e5
- 2.Sce3#
- 2.Sge3#
- 1...Bxc4!
- threat
- 1.Sg6?
- threat
- 2.Se3#
- 2.Se7#
- 1...Rxf3
- 2.Sf6#
- 2.Qxf3#
- 1...Re5
- 2.Sf6#
- 2.Se7#
- 1...Rf7
- 2.Se3#
- 1...Rh7
- 2.Se3#
- 1...Sxg6!
- threat
- 1.Sd7?
- threat
- 2.Se3#
- 1...Rxf3
- 2.Sgf6#
- 2.Sdf6#
- 2.Qxf3#
- 1...Re5
- 2.Sgf6#
- 2.Sdf6#
- 1...Sxd7!
- threat
- 1.Sf7?
- threat
- 2.Se3#
- 2.Rc5#
- 2.Rxc7#
- 1...Rxf3
- 2.Sf6#
- 2.Rc5#
- 2.Rxc7#
- 2.Qxf3#
- 1...Re5
- 2.Sf6#
- 2.Rc5#
- 2.Rxc7#
- 1...Ba4
- 2.Se3#
- 2.Rc5#
- 1...Sg6
- 2.Se3#
- 2.Rc5#
- 1...Sd7
- 2.Se3#
- 2.Rc5#
- 1...Sh7
- 2.Se3#
- 2.Rc5#
- 2.f4#
- 1...e5
- 2.Se3#
- 1...Rxf7!
- threat
- 1.Rc4+?
- 1...c6
- 2.Rdxd4#
- 2.Rcxd4#
- 1...Kd6!
- 1...c6
- 1.Qd1?
- threat
- 2.Rxd4#
- 2.Qxb3#
- 1...Rxf3
- 2.Rxd4#
- 2.Qxf3#
- 1...Rf4
- 2.Qxb3#
- 1...Rh2
- 2.Qxb3#
- 1...Ba2
- 2.Rxd4#
- 1...Bc2
- 2.Rxd4#
- 1...Ba4
- 2.Rxd4#
- 1...Bc4
- 2.Rxd4#
- 1...Bxd1!
- threat
- 1.Qf1?
- threat
- 2.Qb5#
- 1...Rxf3
- 2.Qxf3#
- 1...Ba4
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Sd7!
- threat
- 1.Qg1?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Rf4!
- threat
- 1.Kc3?
- Keys
- 1.Sd3!
- threat
- 2.Se3#
- 1...Rxf3
- 2.Sf6#
- 1...Sxf3
- 2.Sdf2#
- 1...Sxc6
- 2.Sde5#
- 1...Sc2
- 2.Sf4#
- 1...Se2
- 2.Sf4#
- 1...Sb5
- 2.Sf4#
- 1...Re5
- 2.Sf6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- R(d);OGATE,P_SPINR(d),XP(D)::QAB(A),XR(d)
- R(d);N_GUARD,SBLOCK,XS(G)::S(F)
- R(i);N_GUARD::QAB(A)+P(D)
- S(h);S_CUTR(i)::QAB(A)+P(D)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- R1(C),XS(b)
- Vars
- R(d);CHECK,OGATE,P_SPINR(d),XP(D)::QAB(A),XR(d)
- Refutation
- R(d);
- Try
- S(G);
- Threat
- DUALS(4)
- Refutation
- B(a);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(d);::S(F)
- R(i);::S(F)
- Refutation
- S(h);XS(G)
- Try
- S(G);
- Threat
- S(F)
- Refutation
- S(h);XS(G)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(f);::S(F)
- Refutation
- R(d);XS(G)
- Try
- R(H);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(A),XB(a)
- R(i);P_PINR(C)::QAB(A),XB(a)
- B(a);::R1(C),XS(b)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- R(d);OGATE,XP(D)::QAB(A),XR(d)
- B(a);N_GUARD::QAB1(A)
- B(a);N_GUARD::QAB1(A),XB(a)
- Refutation
- S(h);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);P_PINR(C)::QAR1(A),XS(b)
- Refutation
- R(d);
- Try
- Actual
- S(G);N_PINS(b)
- Threat
- S(F)
- Vars
- R(d);N_GUARD,P_SPINR(d),XP(D)::S(F)
- S(b);P_SPINS(b),XP(D)::R(C)+S(G)
- S(b);P_SPINS(b),XR(H)::R(C)+S(G)
- S(b);::R(C)+S(G),DCHECK
- R(d);N_GUARD::S(F)
Developed and maintained by Brian Stephenson.
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