MESON Chess Problem Database

Problem Display
PID: 169926 (8/3Np3/4p3/1PpkP2p/n1R4R/2p4p/2Kp2nP/7Q w - - 0 1)

Seilberger, Johann Joseph Petrus Adrianus

van Dijk, Johannes

Amusement Magazine, 1945

8/3Np3/4p3/1PpkP2p/n1R4R/2p4p/2Kp2nP/7Q

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Rxc5#
    • 1...Sb6
      • 2.Rxc5#
    • 1...d1Q+
      • 2.Qxd1#
    • 1...d1S
      • 2.Qxd1#
    • 1...d1B+
      • 2.Qxd1#
    • 1...d1R
      • 2.Qxd1#
  • Tries
    • 1.Kb1?
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1R+
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...Sb2
        • 2.Rxc5#
      • 1...Sb6
        • 2.Rxc5#
      • 1...c2+!
    • 1.Kb3?
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1B+
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Sb2
        • 2.Rxc5#
      • 1...Sb6
        • 2.Rxc5#
      • 1...c2!
    • 1.Rxa4?
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1B+
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...c4!
    • 1.Rhf4?
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1B+
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Sb2
        • 2.Rxc5#
      • 1...Sb6
        • 2.Rxc5#
      • 1...h4!
  • Keys
    • 1.Rce4!
      • 1...Se1+
        • 2.Rxe1#
      • 1...Se3+
        • 2.Rxe3#
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1B+
        • 2.Qxd1#
      • 1...Sxh4
        • 2.Rxh4#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...c4
        • 2.Rd4#
      • 1...Sf4
        • 2.Rexf4#
      • 1...Sb2
        • 2.Sb6#
      • 1...Sb6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::R1(D),XP(f)
    • P(a);CHECK,OGATEB::QAR(A),XQ(a)
    • P(a);OGATEB::QAR(A),XS(a)
    • P(a);CHECK,OGATEB::QAR(A),XB(a)
    • P(a);OGATEB::QAR(A),XR(a)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(a);CHECK,OGATEB::QAR(A),XQ(a)
        • P(a);CHECK,OGATEB::QAR(A),XR(a)
        • P(a);OGATEB::QAR(A),XS(a)
        • P(a);OGATEB::QAR(A),XB(a)
        • S(e);N_GUARD::R1(D),XP(f)
      • Refutation
        • P(c);CHECK
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(a);CHECK,OGATEB::QAR(A),XQ(a)
        • P(a);CHECK,OGATEB::QAR(A),XB(a)
        • P(a);OGATEB::QAR(A),XS(a)
        • P(a);OGATEB::QAR(A),XR(a)
        • S(e);N_GUARD::R1(D),XP(f)
      • Refutation
        • P(c);
    • Try
      • R(D);XS(e)
      • Vars
        • P(a);CHECK,OGATEB::QAR(A),XQ(a)
        • P(a);CHECK,OGATEB::QAR(A),XB(a)
        • P(a);OGATEB::QAR(A),XS(a)
        • P(a);OGATEB::QAR(A),XR(a)
      • Refutation
        • P(f);
    • Try
      • R(E);
      • Vars
        • P(a);CHECK,OGATEB::QAR(A),XQ(a)
        • P(a);CHECK,OGATEB::QAR(A),XB(a)
        • P(a);OGATEB::QAR(A),XS(a)
        • P(a);OGATEB::QAR(A),XR(a)
        • S(e);N_GUARD::R1(D),XP(f)
      • Refutation
        • P(h);
  • Actual
    • R(D);N_PINS(b)
    • Vars
      • S(b);CHECK,OGATEB::QAB(A)+R(D),XS(b)
      • P(a);CHECK,OGATEB::QAR(A),XQ(a)
      • P(a);CHECK,OGATEB::QAR(A),XB(a)
      • S(b);OGATE,XR(E)::QAB(A)+R(D),XS(b)
      • P(a);OGATEB::QAR(A),XS(a)
      • P(a);OGATEB::QAR(A),XR(a)
      • P(f);N_GUARD::R1(D)
      • S(b);OGATEB::QAB(A)+R(D),XS(b)
      • S(e);N_GUARD::S(H)
      • S(e);N_GUARD::S(H),XS(e)
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