MESON Chess Problem Database
Problem Display
PID: 56133 (1b6/r6p/1Q1p3K/8/2pN1N2/2k1B3/Rp2p2R/1r6 w - - 0 1)
Mansfield, Comins
Die Schwalbe, 1983
#2
7 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxb2#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Ra3
- 2.Rxa3#
- 1...Ra5
- 2.Qxa5#
- 1...Rb7
- 2.Ra3#
- 1...Rc7
- 2.Ra3#
- 2.Qa5#
- 1...Rd7
- 2.Ra3#
- 2.Qa5#
- 1...Re7
- 2.Ra3#
- 2.Qa5#
- 1...Rf7
- 2.Ra3#
- 2.Qa5#
- 1...Rg7
- 2.Ra3#
- 2.Qa5#
- 1...e1Q
- 2.Rc2#
- 1...e1S
- 2.Bd2#
- 1...e1B
- 2.Rc2#
- 1...e1R
- 2.Bd2#
- 2.Rc2#
- 1...Ra1
- Tries
- 1.Rxb2?
- threat
- 2.Sdxe2#
- 2.Bd2#
- 2.Rc2#
- 2.Qb4#
- 1...e1Q
- 2.Sb5#
- 2.Rbc2#
- 2.Rhc2#
- 2.Qb4#
- 1...e1S
- 2.Sde2#
- 2.Sb5#
- 2.Bd2#
- 2.Qb4#
- 1...e1B
- 2.Sde2#
- 2.Sb5#
- 2.Rbc2#
- 2.Rhc2#
- 2.Qb4#
- 1...e1R
- 2.Sb5#
- 2.Bd2#
- 2.Rbc2#
- 2.Rhc2#
- 2.Qb4#
- 1...Rc1
- 2.Sdxe2#
- 2.Bd2#
- 2.Qb4#
- 1...Rd1
- 2.Sdxe2#
- 2.Rc2#
- 2.Qb4#
- 1...Re1
- 2.Bd2#
- 2.Rc2#
- 2.Qb4#
- 1...Ra2
- 2.Sdxe2#
- 2.Bd2#
- 2.Qb4#
- 1...Ra4
- 2.Sdxe2#
- 2.Bd2#
- 2.Rc2#
- 1...Rb7
- 2.Sdxe2#
- 2.Bd2#
- 2.Rc2#
- 1...Rxb2!
- threat
- 1.Ra4?
- threat
- 2.Qb4#
- 1...Rb7
- 2.Ra3#
- 1...Rxa4!
- threat
- 1.Rxa7?
- threat
- 2.Ra3#
- 2.Qa5#
- 1...Bxa7
- 2.Qa5#
- 1...Bc7
- 2.Ra3#
- 1...Ra1!
- threat
- 1.Rxe2?
- threat
- 2.Bd2#
- 2.Rc2#
- 1...Rc1
- 2.Bd2#
- 2.Qxb2#
- 1...Rd1
- 2.Rc2#
- 2.Qxb2#
- 1...Rh1+!
- threat
- 1.Qxa7?
- threat
- 2.Qa3#
- 2.Qa5#
- 1...Kb4
- 2.Sd5#
- 2.Qa3#
- 2.Qa5#
- 1...Bc7
- 2.Qa3#
- 1...Bxa7!
- threat
- 1.Rxb2?
- Keys
- 1.Bc1!
- threat
- 2.Rh3#
- 1...Rxc1
- 2.Qxb2#
- 1...bxc1Q
- 2.Sxe2#
- 1...bxc1S
- 2.Rc2#
- 1...bxc1B
- 2.Sxe2#
- 2.Rc2#
- 1...e1Q
- 2.Rc2#
- 1...e1S
- 2.Bd2#
- 1...e1B
- 2.Rc2#
- 1...e1R
- 2.Bd2#
- 2.Rc2#
- 1...Re7
- 2.Ra3#
- 1...Rg7
- 2.Ra3#
- threat
- 1.Bc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::QAB1(F),XP(b)
- R(a);N_GUARD,P_PINR(B)::QAB1(F),XP(b)
- R(g);N_GUARD::R(A),XR(g)
- R(g);N_GUARD::QAB(F),XR(g)
- R(g);N_GUARD::R(A)
- P(c);OGATE::R1(B)
- P(c);::B(C)
- Tries
- Try
- R(A);XP(b)
- Threat
- DUALS(4)
- Refutation
- R(a);XR(A)
- Try
- R(A);
- Threat
- QAB1(F)
- Vars
- R(g);N_GUARD::R(A)
- Refutation
- R(g);XR(A)
- Try
- R(A);XR(g)
- Threat
- DUALS(2)
- Vars
- B(i);XR(A)::QAB(F)
- B(i);::R(A)
- Refutation
- R(a);
- Try
- R(B);XP(c)
- Threat
- DUALS(2)
- Refutation
- R(a);CHECK
- Try
- Q(F);XR(g)
- Threat
- DUALS(2)
- Vars
- B(i);::QAR2(F)
- Refutation
- B(i);XQ(F)
- Try
- Actual
- B(C);
- Threat
- R(B)
- Vars
- R(a);N_GUARD,XB(C)::QAB1(F),XP(b)
- P(b);P_PINS(E),XB(C)::S(D),XP(c)
- P(b);OGATE,XB(C)::R1(A)
- P(c);OGATE::R1(B)
- P(c);::B(C)
- R(g);N_GUARD::R(A)
Developed and maintained by Brian Stephenson.
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