MESON Chess Problem Database

Problem Display
PID: 18949 (8/3p4/5Q2/3k4/1K4P1/1N2b3/2RP4/1B6 w - - 0 1)

Mansfield, Comins

3rd Prize, Sportowiec Meredith Ty., 1959

8/3p4/5Q2/3k4/1K4P1/1N2b3/2RP4/1B6

#2

7 + 3

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rc5#
      • 2.Qf5#
    • 1...Bxd2+
      • 2.Rxd2#
    • 1...Bf4
      • 2.Rc5#
    • 1...Bc5+
      • 2.Rxc5#
    • 1...Bg5
      • 2.Rc5#
    • 1...Bh6
      • 2.Rc5#
    • 1...d6
      • 2.Qf5#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Ba2#
      • 1...Bxd2+
        • 2.Rxd2#
      • 1...Bxc5+
        • 2.Rxc5#
      • 1...d6!
    • 1.Rc4?
      • threat
        • 2.Be4#
      • 1...Bc5+
        • 2.Rxc5#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Bxd2+!
    • 1.Rc7?
      • threat
        • 2.Rxd7#
      • 1...Bc5+
        • 2.Rxc5#
      • 1...Bf4
        • 2.Rc5#
      • 1...d6
        • 2.Qf5#
      • 1...Bxd2+!
    • 1.dxe3?
      • threat
        • 2.Rd2#
        • 2.Rc5#
      • 1...d6
        • 2.Qf5#
      • 1...Ke4!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Sc5#
      • 1...Bxd2+
        • 2.Sxd2#
      • 1...Bc5+
        • 2.Sxc5#
      • 1...Ke4
        • 2.Qf5#
      • 1...d6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);CHECK,OGATE,XP(C)::R(B),XB(a)
    • B(a);N_GUARD::R1(B)
    • B(a);CHECK,N_GUARD::R1(B),XB(a)
    • P(c);SBLOCK::QAR2(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • B(A)
      • Vars
        • B(a);CHECK,OGATE,XP(C)::R(B),XB(a)
        • B(a);CHECK,OGATE,XS(D)::R1(B),XB(a)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Threat
        • B(A)
      • Vars
        • B(a);CHECK,N_GUARD::R1(B),XB(a)
        • B(a);N_GUARD::R1(B),XB(a)
      • Refutation
        • B(a);CHECK,XP(C)
    • Try
      • R(B);
      • Threat
        • R(B),XP(c)
      • Vars
        • B(a);CHECK,N_GUARD::R1(B),XB(a)
        • B(a);N_GUARD::R1(B)
        • P(c);SBLOCK::QAR2(G)
      • Refutation
        • B(a);CHECK,XP(C)
    • Try
      • P(C);XB(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);SBLOCK::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • B(A)+S(D)
    • Vars
      • B(a);CHECK,XP(C)::B(A)+S(D),XB(a)
      • B(a);CHECK::B(A)+S(D),XB(a)
      • K(b);S_FLIGHT::QAB1(G)
      • P(c);SBLOCK::QAR2(G)
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